
Senior Network Administrator
Seattle, WAJobSeen 2 days agoSeen in employer's feed 2 days ago
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At a glance
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Requirements
Credentials this posting asks for.
Job overview
MANTECH seeks a Senior Network Administrator to support a client’s enterprise IT services in Walla Walla, Washington. The role builds, administers, supports, and optimizes networks and related hardware and software, including LANs, WANs, and network infrastructure devices. The administrator deploys and troubleshoots network environments, monitors operability, and escalates larger issues. A current, active Secret clearance and U.S. citizenship are required.
Skills & qualifications
Skills
Qualifications
Full job description
MANTECH seeks a motivated, career and customer-oriented Senior Network Administrator to join our team in Walla Walla, Washington.
Be a part of an agile team to provide innovative, customer focused, and cost-effective integrated enterprise IT support services in support of the client’s vision of engineering solutions for the Nation’s toughest challenges.
Responsibilities include but are not limited to:
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The Network Administrator is responsible for the building, support, administration, and optimization of the network and associated hardware and software.
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This role deploys and troubleshoots small-scale to medium network deployments, conducts routine tests to ensure operability of the network, and identifies network needs and capabilities from an end-user perspective.
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The Network Administrator troubleshoots intermediary network problems and escalates large-scale network issues appropriately.
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Install and support LANs, WANs, network segments, Internet, and intranet systems.
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Install, configure, manage, and maintain network infrastructure devices as well as all related hardware and software.
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Identify network needs and capabilities from an end-user perspective.
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Monitor the network to maintain integrity and operability.
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Deploy and troubleshoot small-scale to medium network deployments.
Minimum Qualifications:
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Requires a Bachelor's degree (or equivalent work experience) in Information Technology, Computer Science, or a related field. In lieu of Bachelor’s degree, an Associate degree +2years relevant experience, or 4 years relevant experience is acceptable.
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Requires 2-5 years of experience in network administration for Windows, Linux, or VMware environments.
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Experience with industry router configurations and switch configurations.
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Working technical knowledge of network infrastructure including local area networks, wide area networks, wireless networking, routers, switches, load balancers, WAN optimizers, and cabling standards.
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Solid troubleshooting abilities through techniques and methods that isolate and identify faulty components or configurations so services can be quickly restored to normal levels of operation.
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Experience troubleshooting network connectivity (LAN, WAN).
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CompTIA Network+ and/or CCNA certification and a CompTIA Security+ certification
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Must maintain a 8140 IAT Lvl II certification.
Preferred Qualifications:
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Demonstrates excellent troubleshooting, problem-solving, communication, and teamwork skills, the ability to manage multiple tasks effectively, and maintains currency with industry trends and best practices.
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Demonstrates excellent troubleshooting, problem-solving, communication, and teamwork skills, the ability to manage multiple tasks effectively, and maintains currency with industry trends and best practices.;">Demonstrates excellent troubleshooting, problem-solving, communication, and teamwork skills, the ability to manage multiple tasks effectively, and maintains currency with industry trends and best practices.
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Familiarity with the USACE IT environment, regulatory requirements, and data security best practices are preferred.
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Familiarity with the USACE IT environment, regulatory requirements, and data security best practices are preferred.;">Familiarity with the USACE IT environment, regulatory requirements, and data security best practices are preferred.
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Have strong problem-solving and analytical skills and communicate effectively with technical and non-technical stakeholders.
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Have strong problem-solving and analytical skills and communicate effectively with technical and non-technical stakeholders. ;">Have strong problem-solving and analytical skills and communicate effectively with technical and non-technical stakeholders.
Clearance Requirements:
- Must be a US Citizen and have a current/active Secret clearance.
Physical Requirements:
- The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, 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 723 open Network Administrator jobs on Olive Jobs, counted November 3, 2026.
- Pay
- This postingNot listed
- US median$99–133K/yr467 salary ranges
- US median$40–45/hr32 hourly ranges
- Openings
- Olive Jobs lists 14 open Network Administrator jobs in Washington and 723 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most across the US
- ASM Research, An Accenture Federal Services Company145 open
- TekSynap44 open
- Lockheed Martin23 open
- Experience
- This posting asks for at least 2 years of experience — less than three in four Network Administrator postings that state a minimum ask for (median 5 years, across 624 postings).
- Education
- 123 of the 723 open Network Administrator jobs (17%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 3, 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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