Network Administrator
Society of Defense Financial Management
MANTECH seeks a motivated, career- and customer-oriented Network Administrator with a focus on Cisco Networks to join our team in Laurel, MD . You will be part of a mission-driven team delivering enterprise infrastructure capabilities to support a global workforce engaged in national defense operations. This position is part of the Enterprise Infrastructure Services (EIS) organization—responsible for MPO’s Enterprise Information Technology (EIT), the backbone platform supporting all enterprise users. You will work with customers, Integrated Product Teams (IPTs), and vendors to deliver secure and reliable network services across Data Center & Compute environments. Responsibilities Maintain and upgrade network infrastructure, including routers and switches Update and configure antivirus software and other tools to secure the network Apply Security Technical Implementation Guide (STIG) updates to switches and follow Software Test and Evaluation (STE) policies Design and plan Cisco NEXUS network infrastructure, including setup and ongoing maintenance Configure Remote Authentication Dial-In User Service (RADIUS) for switch administration Use network monitoring and management tools such as Solarwinds to oversee network performance Must be willing to work a flexible schedule between 6:00am-6:00pm and may be assigned to an evening patching schedule Minimum Qualifications Bachelor’s degree in a technical discipline from an accredited college or university and Twelve (12) years of experience as a Network Administrator supporting programs and contracts of similar scope, type, and complexity. In lieu of a Bachelor’s degree, three (3) years of additional Network Administration experience with an Associates degree may be substituted OR eight (8) years of additional experience and a High School Diploma Demonstrated experience downloading software and upgrading Cisco switches and firewalls Strong technical background in Cisco FirePower Firewalls IAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP) Preferred Qualifications Familiarity with configuring, scripting, and managing Unix, RHEL and Windows operating systems Familiarity with Scanboy Familiarity with JIRA ticketing system Familiarity with Enclave environments Familiarity with Solarwinds Familiarity using LatteART and XACTA Clearance Requirements Must have a current/active TS/SCI with Polygraph Physical Requirements The candidate must be able to move, carry, and deliver workstations from the office to the customer’s desk The person in this position must be able to remain in a stationary position 50% of the time Must communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations. #J-18808-Ljbffr Society of Defense Financial Management
- General information Job Posting Title Network Administrator Date Tuesday, August 4, 2026 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking a Network Administrator...SuggestedMinimum wageFull timeContract workTemporary workWork experience placementWork at office
- ...Network System Administrator LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a dedicated and detail-oriented Network Systems Administrator...SuggestedTemporary workFor contractorsImmediate startFlexible hours
- ...Network Administrator LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Administrator to join our team and ensure...SuggestedTemporary workFor contractorsImmediate startFlexible hours
- ...Essential Duties and Responsibilities: - Configure and maintain network devices such as routers, switches, firewalls, load balancers,... ...considered. - Seven (7)+ years of experience in a Network Administrator role or in a related field. - Five (5) or more years of...SuggestedMinimum wageContract workTemporary workWork experience placementWork at office
- ...PEAC Solutions is seeking a Network Administrator to support and optimize the company’s technology infrastructure. The role covers Windows and Linux servers, virtual environments, endpoint support, and security tools, with exposure to infrastructure projects and system...Suggested
$92.3k - $166.85k
...Description Mid/Sr Network Engineer Leidos has a new and exciting opportunity for a Mid/Sr Network Engineer in our Intel Sector's Cyber & Analytics Business Area (CABA) . Our talented team is at the forefront in Security Engineering, Computer Network Operations...Local areaImmediate startFlexible hours$116.35k - $210.33k
...Description Job Description Network Engineer (NE) Leidos – Cyber & Analytics Business Area, Key Management & Analytics Division, Your Experience. A Critical Mission. Real Impact. Leidos has an exciting opportunity for an experienced Network Engineer...Full timeLocal areaImmediate startRemote work- ...that values partnership over hierarchy and purpose over routine, your next chapter could start here. Seeking an experienced Network Administrator to support and optimize PEAC Solutions’ technology infrastructure. This hands‑on role works across networking, servers, Microsoft...Temporary workWork at officeLocal areaRemote workRelocation packageFlexible hours3 days per week
- Patriot, LLC seeks an experience Network Administrator to join our mission essential on-site team in Annapolis Junction. Requirements Active Secret clearance. Due to contract requirements, only US Citizens can be considered. Candidates with dual citizenship cannot...Full timeContract workTemporary workFor contractorsRemote work
$80k - $85k
...Job Description Job Description OVERVIEW The Network Administrator II provides advanced network engineering and systems infrastructure support to the Service Delivery Team. This position handles escalated network infrastructure requests, complex systems administration...Remote workWork from homeFlexible hours- ...Job Description Job Description Seeking a Network Administrator to provide expertise to a federal client in support of their mission critical systems in defense of our Homeland.? As a Network Administrator, you will be responsible for implementing and maintaining...Contract workWork at office
- ...weekPrimary ResponsibilitiesIndependently configures and optimizes network assets, including switches, load balancers, routers, and... ...of complex network issuesApplies proficient system administration skills in both Linux and Windows environments to effectively...
$116.35k - $210.33k
...they address evolving national security challenges.About the OpportunityLeidos is seeking a highly experienced Senior System/Network Administrator - Systems Integration to support the implementation, operation, troubleshooting, and maintenance of complex IT systems and...Full time$92.3k - $166.85k
Systems Network Administrator (TS/SCI w/ Poly)Leidos - National Security Sector | Cyber & Analytics Business Area (CABA)Leidos is seeking a Systems Network Administrator / MIM Administrator (SME) to join our National Security Sector’s Cyber & Analytics Business Area (CABA...Full timeImmediate start- Requires a minimum TS/SCI CI PolySenior Linux/Network AdministratorJob SummaryThe selected candidate will be responsible for performing daily system administration and O&M support activities in support of a complex network environment with geographically distributed systems...
$114k - $164k
...(BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior System/Network Administrator with database experience to support the implementation, maintenance, and optimization of IT systems. This role is responsible...Full timeContract workWork experience placementFlexible hours$10k
...and problem resolution for all of the client/server/storage/network devices, etc. Provides Tier 2 (Escalation) and Tier 3 problem... ...of system performance and availability Provide server administration with a variety of database products that include Oracle, SQL...Hourly payFull timeContract workTemporary workWork experience placementSummer workImmediate start- ...Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment... ...: Network Analyst, Network Coordinator, Wide Area Network Administrator Requirements TBD Clearance Required: TS/SCI with Full-Scope...Full timeContract workLocal area
$73.45k - $132.78k
...Description Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD.The DES program is a highly demanding mission and requires expert technical and professional management to support DISA's enterprise Information...Local areaImmediate startRemote work- Responsibilities Support server, network and desktop hardware, software and applications. Roll out hardware and software to ensure optimal deployment of resources. Occasional field installation support. A few one-week trips per year to be expected. Qualifications REQUIRED...Remote work
- ...Job Description Job Description Network Specialist Tier I IAT II Certification Top Secret BA/BS + 2 Years’ experience... ...network requirements with users and sites. Perform system administration tasks on Microsoft active directory networks. Operate Government...
$92.3k - $166.85k
Description The Digital Modernization Sector at Leidos has a career opening for a Senior Network Administrator on a DISA contract. This role is 100% on the customer site at Fort Meade, MD . Administrator will provide support for assigned systems supporting Joint Worldwide...Contract workWorldwide- ...expertise in the Program Management, Information Technology, and Administrative Support domains. Founded in 2007 as a minority and service-... ...degree of integrity.SierTeK Ltd. is seeking a LAN VoIP Network Specialist II Senior to support an opportunity at Joint Base...For subcontractor
- ...support the NRO’s computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through...
$176k - $282k
ResponsibilitiesPeraton seeks a Cyberspace/Network Architect SME to support the PACOM J6 with Command, Control, Communications, Computers and Cyber (C4/Cyber) technical authority during travel team deployments. Location: Fort Meade (Annapolis Junction), MD.Responsibilities...Contract workFor contractorsRemote workShift work- Oracle DBA/System Admin Comtech is a woman-owned small business founded in 1998 and headquartered in Reston, VA. We offer IT solutions across the disciplines of program/project management, applications development, infrastructure, Cyber security, and enterprise content...Flexible hoursWeekend work
- General information Job Posting Title Database Administrator Date Wednesday, August 26, 2026 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements MAXIMUS has partnered with state...Minimum wageFull timeContract workTemporary workWork experience placementLocal area
- WE ARE HIRING!!! Opportunity for a Database Administrator - TS/SCI Poly.CyberCore Technologies provides Services for Government and Commercial... ...and solutions with specific strengths in Cyber Security, Networking, Engineering/Operations, and Software Development.Job...
$131.3k - $237.35k
Leidos has an exciting opportunity for a Database Administrator within our National Security Sector’s (NSS) Cyber & Analytics Business Area (CABA). Join a team supporting mission-critical national security programs focused on Security Engineering, CNO, SIGINT, Mission Software...Full timeImmediate startFlexible hours$107.9k - $195.05k
...AdministratorLeidos has a new and exciting opportunity for a Database Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA).... ...team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...Full timeImmediate startFlexible hours
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