MOS 0639 Network Chief
MOS 0639 Network Chief
MOS Description
Network Chiefs install, operate, maintain, and supervise Local Area Networks (LAN) and Wide Area Networks (WAN) to enable command and control. The Network Chief is responsible for training, advanced routing/ switching, locating and correcting faults, Quality of Service(QoS), implementation/management of the cable plan, long haul transport, Internet Protocol (IP) Management, encryption management, network monitoring, end to end systems integration and troubleshooting. Additionally, Network Chiefs must be thoroughly familiar with security, programming and planning tools, maintenance procedures, budgeting, and administration processes.

National Certifications
You selected Early Career—this applies to Marines in paygrades E1-E3. To help you focus on the credentials most appropriate for early in your career, the National Certifications list below has been filtered to only show COOL-funded certifications that are related to Most or Some of the skills and training gained in your MOS. You can customize your search by clicking Select Filters at the top left of the credentials table or by using the keyword search at the top right of the table.
Obtaining credentials related to your MOS helps improve your professionalism and help prepare you for civilian employment when you do transition out.
Once you have found a credential you want to pursue and are eligible for, you can apply for a voucher for COOL funding to pay for the exam. Make sure to check to see that you meet the eligibility requirements for a voucher before you apply.
You selected Mid-Career—this applies to Marines in paygrades E4-E5. To help you focus on credentials most applicable to this phase in your career, the certification list has been filtered to only show COOL-funded certifications that are related to Most or Some of the skills and training gained in your MOS. You can customize your search by clicking Select Filters at the top left of the credentials table or by using the keyword search at the top right of the table.
Obtaining credentials related to your MOS helps improve your professionalism and helps prepare you for civilian employment when you do transition out.
Once you have found a credential you want to pursue and are eligible for, you can apply for a voucher for COOL funding to pay for the exam. Make sure to check to see that you meet the eligibility requirements for a voucher before you apply. The Marine Corps will not pay for exams if you have less than six months of service left so you'll want to plan accordingly.
You selected Late Career-- this applies to Marines in paygrades E6-E9. To help you focus on credentials most applicable to this phase in your career, the certification list has been filtered to only show COOL-funded certifications that are related to Most or Some of the skills and training gained in your MOS. You can customize your search by clicking Select Filters at the top left of the credentials table or by using the keyword search at the top right of the table.
Obtaining credentials related to your MOS helps improve your professionalism and help prepare you for civilian employment when you do transition out.
Once you have found a credential you want to pursue and are eligible for, you can apply for a voucher for COOL funding to pay for the exam. Make sure to check to see that you meet the eligibility requirements for a voucher before you apply. The Marine Corps will not pay for exams if you have less than six months of service left so you'll want to plan accordingly.
You chose Transitioning-- this applies to Marines who are not reenlisting and are planning their next steps. To help you focus on the most applicable credentials, the certification list has been filtered to only show in-demand credentials that are GI Bill approved. You can customize your search by clicking Select Filters at the top left of the credentials table or by using the keyword search at the top right of the table.
Obtaining a credential can help prepare you for civilian employment, and can demonstrate knowledge and skills in a way civilian employers understand. The Marine Corps will not pay for exams if you have less than six months of service left so you'll want to plan accordingly. If you are already within that six-month timeframe, you can still choose to pursue the credential yourself or explore other funding options to pay for credentials.
As a transitioning Marine, you may also want to visit the Marine Corps' Transition Readiness Program for other guidance regarding reentering the civilian workforce.
You chose Promotion-Seeking-- this applies to Marines who plan to stay in the Corps and who are actively working on advancement. To help you focus on the most applicable credentials, the certification list has been filtered to only show COOL-funded certifications that are related to Most or Some of the skills and training gained in your MOS. You can customize your search by clicking Select Filters at the top left of the credentials table or by using the keyword search at the top right of the table.
Obtaining credentials related to your rating helps improve your professionalism and help prepare you for civilian employment when you do transition out.
Once you have found a credential you want to pursue and are eligible for, you can apply for a voucher for COOL funding to pay for the exam. Make sure to check to see that you meet the eligibility requirements for a voucher before you apply. The Marine Corps will not pay for exams if you have less than six months of service left so you'll want to plan accordingly.
You chose Veteran-- veterans are any former Service member who has been discharged from active duty military service. To help you focus on the most applicable credentials, the certification list has been filtered to show in-demand credentials that are GI Bill approved. You can customize your search by clicking Select Filters at the top left of the credentials table or by using the keyword search at the top right of the table.
COOL does not pay for credentialing exams for veterans, but you may be able to get your credential funded through the GI Bill. Explore your funding options to see what funding may be available to you. Also, visit our page of Related Sites and expand the Resource Sites For Veterans section to see what other resources may be available to you
The following civilian credentials are related to MOS 0639 Network Chief. These credentials may require additional education, training or experience. For more information about these credentials, click on the credential title below.
For more supervisory and managerial credentials, please refer to the LEADER summary page.Compare | Credential | Agency | Related As | Attainability | COOL$ | GI Bill® | Accreditation | ID | |
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CompTIA A+ ce
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Computing Technology Industry Association (CompTIA) | ![]() |
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Broadband TelecomCenter Specialist (BTCS) Is Not In Demand | Society of Cable Telecommunications Engineers (SCTE) | ![]() |
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Broadband Transport Specialist (BTS) Is Not In Demand | Society of Cable Telecommunications Engineers (SCTE) | ![]() |
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Broadband Distribution Specialist (BDS)
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Society of Cable Telecommunications Engineers (SCTE) | ![]() |
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CompTIA Certified Technical Trainer (CTT+) Is Not In Demand | Computing Technology Industry Association (CompTIA) | ![]() |
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CompTIA Project+
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Computing Technology Industry Association (CompTIA) | ![]() |
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CompTIA Network+ ce
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Computing Technology Industry Association (CompTIA) | ![]() |
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CompTIA Server+
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Computing Technology Industry Association (CompTIA) | ![]() |
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Certified Manager of Quality/Organizational Excellence (CMQ/OE)
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American Society for Quality (ASQ) | ![]() |
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Six Sigma Black Belt (CSSBB) Is Not In Demand | American Society for Quality (ASQ) | ![]() |
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Registered Communications Distribution Designer (RCDD)
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BICSI | ![]() |
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Outside Plant (OSP) Designer Is Not In Demand | BICSI | ![]() |
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Certified Information Systems Auditor (CISA)
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ISACA | ![]() |
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Certified Manager (CM)
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Institute of Certified Professional Managers (ICPM) | ![]() |
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Certified Management Consultant - Basic Is Not In Demand | Institute of Management Consultants (IMC) | ![]() |
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Certified Information Systems Security Professional (CISSP)
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International Information Systems Security Certification Consortium, Inc. (ISC)² | ![]() |
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Project Management Professional (PMP)
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Project Management Institute (PMI) | ![]() |
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Certified Wireless Network Administrator (CWNA)
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Certified Wireless Network Professional (CWNP) | ![]() |
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GIAC Information Security Professional (GISP) Is Not In Demand | Global Information Assurance Certification (GIAC) | ![]() |
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GIAC Security Expert (GSE) Is Not In Demand | Global Information Assurance Certification (GIAC) | ![]() |
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GIAC Security Essentials Certification (GSEC)
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Global Information Assurance Certification (GIAC) | ![]() |
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Systems Security Certified Practitioner (SSCP)
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International Information Systems Security Certification Consortium, Inc. (ISC)² | ![]() |
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CompTIA Security+ ce
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Computing Technology Industry Association (CompTIA) | ![]() |
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GIAC Security Leadership Certification (GSLC)
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Global Information Assurance Certification (GIAC) | ![]() |
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Certified Information Security Manager (CISM)
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ISACA | ![]() |
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GIAC Information Security Fundamentals (GISF) Is Not In Demand | Global Information Assurance Certification (GIAC) | ![]() |
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Certified Associate in Project Management (CAPM)
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Project Management Institute (PMI) | ![]() |
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Program Management Professional (PgMP)
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Project Management Institute (PMI) | ![]() |
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Broadband Premises Technician (BPT) Is Not In Demand | Society of Cable Telecommunications Engineers (SCTE) | ![]() |
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Broadband Premises Expert (BPE) Is Not In Demand | Society of Cable Telecommunications Engineers (SCTE) | ![]() |
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Certified Wireless Design Professional (CWDP) Is Not In Demand | Certified Wireless Network Professional (CWNP) | ![]() |
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Certified Wireless Analysis Professional (CWAP) Is Not In Demand | Certified Wireless Network Professional (CWNP) | ![]() |
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Cisco Certified Design Expert (CCDE) Is Not In Demand | Cisco Systems, Inc. | ![]() |
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Cisco Certified Network Professional (CCNP) Security
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Cisco Systems, Inc. | ![]() |
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Broadband Voice over Internet Protocol (B-VoIP) Is Not In Demand | Electronics Technicians Association, International (ETA-I) | ![]() |
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Registered Telecommunications Project Manager (RTPM) Is Not In Demand | BICSI | ![]() |
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CompTIA Advanced Security Practitioner (CASP+)
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Computing Technology Industry Association (CompTIA) | ![]() |
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Microsoft Certified Solutions Associate (MCSA): Windows Server 2012
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Microsoft Corporation | ![]() |
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Cisco Certified Internetwork Expert Enterprise Wireless (CCIE Wireless)
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Cisco Systems, Inc. | ![]() |
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Fiber Optics Designer (FOD) Is Not In Demand | Electronics Technicians Association, International (ETA-I) | ![]() |
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Certified Lean Six Sigma Black Belt (ICBB)
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International Association for Six Sigma Certification (IASSC) | ![]() |
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Certified Lean Six Sigma Green Belt (ICGB)
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International Association for Six Sigma Certification (IASSC) | ![]() |
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Internet Protocol Engineering Professional (IPEP) Is Not In Demand | Society of Cable Telecommunications Engineers (SCTE) | ![]() |
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Cisco Certified Network Professional Collaboration (CCNP Collaboration)
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Cisco Systems, Inc. | ![]() |
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GIAC Critical Controls Certification (GCCC) Is Not In Demand | Global Information Assurance Certification (GIAC) | ![]() |
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GIAC Continuous Monitoring Certification (GMON) Is Not In Demand | Global Information Assurance Certification (GIAC) | ![]() |
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Fundamentals of Engineering (FE) Exam - Industrial and Systems Is Not In Demand | National Council of Examiners for Engineering and Surveying (NCEES) | ![]() |
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F5 Certified BIG-IP Administrator (F5-CA) Is Not In Demand | F5 | ![]() |
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F5 Certified Technology Specialist in LTM (F5-CTS, LTM) Is Not In Demand | F5 | ![]() |
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F5 Certified Technology Specialist, BIG-IP DNS (F5-CTS, BIG-IP DNS) Is Not In Demand | F5 | ![]() |
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F5 Certified Technology Specialist in ASM (F5-CTS, ASM) Is Not In Demand | F5 | ![]() |
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F5 Certified Technology Specialist in APM (F5-CTS, APM) Is Not In Demand | F5 | ![]() |
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F5 Certified Solution Expert (F5-CSE) Is Not In Demand | F5 | ![]() |
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Microsoft Certified Solutions Associate (MCSA): Windows Server 2016
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Microsoft Corporation | ![]() |
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CompTIA IT Fundamentals (ITF+) Is Not In Demand | Computing Technology Industry Association (CompTIA) | ![]() |
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GIAC Certified Detection Analyst (GCDA) Is Not In Demand | Global Information Assurance Certification (GIAC) | ![]() |
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Microsoft Certified Solutions Expert (MCSE): Core Infrastructure Is Not In Demand | Microsoft Corporation | ![]() |
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Cisco Certified Network Associate (CCNA) Is Not In Demand | Cisco Systems, Inc. | ![]() |
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Cisco Certified Network Professional (CCNP) Enterprise Is Not In Demand | Cisco Systems, Inc. | ![]() |
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Cisco Certified Internetwork Expert (CCIE) Enterprise Infrastructure Is Not In Demand | Cisco Systems, Inc. | ![]() |
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Microsoft Certified Azure Fundamentals Is Not In Demand | Microsoft Corporation | ![]() |
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Microsoft Certified: Azure Administrator Associate Is Not In Demand | Microsoft Corporation | ![]() |
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Microsoft Certified: Azure DevOps Engineer Expert Is Not In Demand | Microsoft Corporation | ![]() |
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Microsoft Certified: Azure Security Engineer Associate Is Not In Demand | Microsoft Corporation | ![]() |
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Microsoft Certified: Azure Solutions Architect Expert Is Not In Demand | Microsoft Corporation | ![]() |
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Microsoft Certified: Power Apps + Dynamics 365 Developer Associate Is Not In Demand | Microsoft Corporation | ![]() |
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Microsoft Certified: Azure Database Administrator Associate Is Not In Demand | Microsoft Corporation | ![]() |
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Microsoft Certified: Azure Data Fundamentals Is Not In Demand | Microsoft Corporation | ![]() |
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Microsoft Certified: Dynamics 365 + Power Platform Solution Architect Expert Is Not In Demand | Microsoft Corporation | ![]() |
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State Licenses
Some states have specific licensing requirements for the following related civilian occupations. These state licenses may require additional education, training or experience. Click on the occupation below to get more information on state requirements from the U.S. Department of Labor. For more supervisory and managerial occupations, please refer to the LEADER summary page.
Related Civilian Occupations
The following civilian occupations are similar to the duties performed by MOS 0639 Network Chief. These occupations may require additional education, training or experience. For more information about these occupations, click on the civilian occupation below. For more supervisory and managerial positions, please refer to the LEADER summary page. To search for related civilian job opportunities, go to the Veteran’s Employment Center.
Civilian Job | Duties Matched | Bright Outlook | Registered Apprenticeship | Local Salary Info | |
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First-Line Supervisors of Mechanics, Installers, and Repairers |
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Network and Computer Systems Administrators |
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Telecommunications Engineering Specialists |
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Telecommunications Equipment Installers and Repairers, Except Line Installers |
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Telecommunications Line Installers and Repairers |
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The following federal occupations are similar to MOS 0639 Network Chief. These occupations may require additional education, training or experience. For more information about these occupations, click on the federal occupation below.
- 0390 - Telecommunications Processing Series
- 0391 - Telecommunications Series
- 0392 - General Telecommunications Series
- 0394 - Communications Clerical Series
- 2210 - Information Technology Management Series
- 2502 - Telecommunications Mechanic
- 2504 - Wire Communications Cable Splicing
- 2602 - Electronic Measurement Equipment Mechanic
- 2604 - Electronics Mechanic
- 2606 - Electronic Industrial Controls Mechanic
- 2608 - Electronic Digital Computer Mechanic
- 2610 - Electronic Integrated Systems Mechanic
- 4737 - General Equipment Mechanic
- 4749 - Maintenance Mechanic
A wide range of civilian job opportunities is available within the private and public sectors that align with MOS 0639 Network Chief military training and experience. More information about these opportunities and other considerations concerning occupations related to MOS MOS 0639 Network Chief can be found below.
Department of Homeland Security (DHS)
2020: IT Specialist
Overview: This job series covers positions responsible for providing support, guidance, and expertise in various Information Technology (IT) functions. Specialty areas include IT Policy Planning, Information Security, Customer Support, Network Services, Enterprise Architecture, Systems Analyst, Applications Software, Operating Systems, Data Management, Internet and Systems Administration. Work performed by the IT specialist varies and is dependent on the job field of each IT specialist.
Duties at CBP: Work within this job series requires an Information Technology (IT) Specialist to perform a variety of duties that involve knowledge of a wide variety of IT application, systems, and methods; ability to apply methods and practices for troubleshooting IT system issues to include issues such as network, database, customer inquiries, and knowledge of IT system security regulations, policies and procedures. Typical work assignments vary based on parenthetical/job fields listed above but duties may include:
- Providing advice and guidance on a wide range and variety of IT issues;
- Planning, analyzing, developing, implementing, maintaining and enhancing information systems security programs, policies, procedures and tools;
- Assisting in the installation and integration of system patches, repairs, updates, and enhancements to ensure the delivery of IT services;
- Installing, configuring, integrating, troubleshooting, optimizing and maintaining customer hardware and software to maximize system availability and monitors network performance.
Locations: Various; DC Metro Area
Intelligence and Defense Careers
The IntelligenceCareers.gov website provides a portal to information on intelligence and defense related career opportunities to explore.
In addition to obtaining certifications in your field, advanced education is another way to enhance job performance.
For help in making informed choices on schools and education programs when using tuition assistance, see: