
F5 Network Engineer
Stafford, VAJobSeen 3w agoSeen in employer's feed 1w ago
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Requirements
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Job overview
ManTech seeks a motivated, career- and customer-oriented F5 Network Engineer in Stafford, Virginia. The engineer designs, configures, tests, and implements LAN/WAN solutions for enterprise applications using the MCEN DMZ, supports on-premises and cloud network operations, and troubleshoots connectivity issues. The role requires related DoD cloud network experience, Cisco or Juniper proficiency, specified certifications, and an active DoD Secret clearance.
Skills & qualifications
Skills
Qualifications
Full job description
MANTECH seeks a motivated, career and customer-oriented F5 Network Engineer to join our team in Stafford, VA .
The successful candidate will be responsible for designing, configuring, testing, and implementing robust LAN/WAN solutions that allow enterprise applications to utilize the MCEN De-Militarized Zone (DMZ). The engineer will manage network traffic routing, support daily operations for both on-premises and cloud networks (AWS, Azure) and play a critical part in troubleshooting and resolving network connectivity issues.
Responsibilities include but are not limited to:
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Design and implement enterprise networking solutions using Cisco and Juniper hardware.
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Manage and support daily operations of network traffic routing for on-premises and cloud environments.
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Develop, update, and validate all network integration documentation.
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Support troubleshooting activities for network connectivity issues reported by application owners.
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Evaluate and apply DISA Security Technical Implementation Guides (STIGs) to all relevant network components.
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Achieve and maintain all required Information Assurance (IA) certifications and training for privileged access to the MCEN.
Minimum Qualifications:
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Bachelor’s Degree with at least 4 years of related experience in DoD cloud network constructs in AWS or Azure. An additional 2 years of experience may be substituted in lieu of degree.
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Demonstrated proficiency with Cisco and Juniper network devices (routers, switches).
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A Cisco Certified Network Associate (CCNA) or Juniper Networks Certified Internet Associate for JUNOS (JNCIA-JUNOS) certification is required.
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DoDD 8140/8570 compliant/certified (e.g., current Security+ certification).
Preferred Qualifications:
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Current experience supporting Marine Corps Enterprise Networks
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F5 Certified Technical Specialist certifications for ASM (Test 303), APM (Test 304), and LTM (Tests 301A/301B).
Clearance Requirements:
- An active DoD Secret clearance is required for this position.
Physical Requirements:
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Must be able to remain in a stationary position 50%.
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Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
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Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.
How this job compares
Set against the 4,081 open Network Engineer jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This postingNot listed
- Virginia median$120–182K/yr312 salary ranges
- Virginia median$30–54/hr26 hourly ranges
- Openings
- Olive Jobs lists 389 open Network Engineer jobs in Virginia and 4,081 across the US. 4% of them nationwide are listed as remote or flexible.
- Hiring the most in Virginia
- Amazon37 open
- General Dynamics Information Technology27 open
- Leidos24 open
- Experience
- This posting asks for at least 4 years of experience; Network Engineer postings that state a minimum ask for 5 years at the median (3,527 postings).
- Education
- 1,204 of the 4,081 open Network Engineer jobs (30%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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