Network Administrator
Maximus
General information Job Posting Title Network Administrator Date Thursday, September 18, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is 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 Admin, you will implement and maintain our organization's network infrastructure. Your role will involve overseeing network administration, troubleshooting complex issues, and ensuring the performance, availability, and security of our network systems. This position is an on-site role, 5 days a week, and requires a secret clearance. Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS135, T3, Band 6 Job-Specific Essential Duties and Responsibilities: - Configure and maintain network devices such as routers, switches, firewalls, load balancers, and VPN concentrators. - Monitor network performance, identify bottlenecks, and implement optimization strategies to ensure optimal throughput and reliability.- Troubleshoot and resolve network issues using firewall logs, switch packet capture tools; engaging with cross-functional teams to leverage support and collaboration when necessary - Conduct network capacity planning and bandwidth management to accommodate future growth and changing business needs.- Collaborate with other teams to integrate network infrastructure with cloud services, storage systems, and other IT components.- Stay updated on emerging technologies, industry trends, and best practices in networking and recommend their adoption as appropriate. - Create and maintain documentation related to network configurations, diagrams, standard operating procedures, and troubleshooting guides. - Provide technical leadership, guidance, and mentorship to junior network engineers. - Managing, monitoring, maintaining, and securing networks and tenant network segments that integrate the transport of networks and data. - Organizing, documenting, and managing the delivery of Network load balancing services - Document and Manage Internet Protocol Addresses-Other Tasks as assignedJob-Specific Minimum Requirements: - Seven (7)+ years of experience in a Network Administrator role or in a related field - Active Secret clearance.- Due to federal requirements, all candidates must be US Citizens without Dual Citizenship to another country.- Candidates must reside within a commutable distance.- Participation in a rotational on-call schedule for emergency page-outs is required.- Five (5) or more years of experience in the following: port and firewall configuration using Palo Alto#techjobs #clearance #veteransPage #APPCASTDTO Minimum Requirements TCS135, T3, Band 6 EEO Statement Maximus is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, age, national origin, disability, veteran status, genetic information and other legally protected characteristics. Pay Transparency Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. Annual salary is just one component of Maximus's total compensation package. Other rewards may include short- and long-term incentives as well as program-specific awards. Additionally, Maximus provides a variety of benefits to employees, including health insurance coverage, life and disability insurance, a retirement savings plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with job duties and relevant work experience. An applicant's salary history will not be used in determining compensation. Maximus will comply with regulatory minimum wage rates and exempt salary thresholds in all instances. AccommodationsMaximus provides reasonable accommodations to individuals requiring assistance during any phase of the employment process due to a disability, medical condition, or physical or mental impairment. If you require assistance at any stage of the employment process—including accessing job postings, completing assessments, or participating in interviews,—please contact People Operations at View email address on click.appcast.io. Minimum Salary $ 85,000.00 Maximum Salary $ 110,000.00
$104.24k - $156.36k
...building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a Network Administrator 3 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part...SuggestedWork at officeLocal area- ...values partnership over hierarchy and purpose over routine, your next chapter could start here. We are seeking a hands‑on Network Administrator to support and strengthen the performance, security, and reliability of our core IT infrastructure. This role is ideal for a...SuggestedTemporary workWork at officeLocal areaRemote workFlexible hours3 days per week
$116.35k - $210.33k
Description Senior Network Engineer Leidos – National Security Sector | Cyber & Analytics Business Area Make an Impact Where It Matters Most Leidos is seeking a Senior Network Engineer to join our elite team supporting mission-critical national security programs. In...SuggestedLocal areaImmediate startFlexible hours- ...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
$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...SuggestedFull 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...
$92.3k - $166.85k
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 Intelligence...Full timeContract workWorldwide- ...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...Work at officeRemote workFlexible hoursAfternoon shift
- 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
$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$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...Contract workWork experience placementFlexible hours$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- ...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...
- ...Full-time Description Summary: Assesses network access and generates reports, including Geo Access, for provider... ...involved. Coordinates internal review and determine/evaluate administrative feasibility throughout the continuum of the contracting process...Full timeContract workTemporary workWork experience placementWork at officeLocal area
$107.9k - $195.05k
Leidos has a new and exciting opportunity for a Database Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented... ...team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...Full timeImmediate startFlexible hours- General information Job Posting Title Database Administrator Date Monday, September 29, 2025 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
$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- 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...
- ...Database Admin. Location: Annapolis Junction, MD Clearance : FS Poly Required OVERVIEW A Database Administrator is needed to support a large, complex, fast-paced, operational program. The selected individual will maintain the integrity, security, and availability...Full time
$77.6k - $176k
System Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you... ...performance. You’ll provide your customers insight into their network through monitoring and performance management. Your technical...Full timeContract workPart timeWork at officeLocal areaRemote work$140k - $170k
...infrastructure? T-Rex Solutions is looking for a fully cleared System Administrator 2 to join our dynamic team in Annapolis Junction in support of... ...and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and...Full timeWork experience placementImmediate start$229k - $366k
...documentation, roadmaps, technical assessments, white papers, and briefings.Advise on cloud migration, hybrid architectures, virtualization, network modernization, and enterprise cybersecurity strategies.Collaborate with cross-functional teams, including engineering, operations,...Contract workShift work- ...ProSync is actively seeking a highly skilled and motivated System Administrator II (SA) who Provides support for implementation,... ...monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and...Contract workFlexible hours
$135k - $216k
ResponsibilitiesMid-level Network / Desktop Administrator to support and maintain enterprise network and end-user computing infrastructure. This is a hybrid role combining hands-on switching and network support with desktop/endpoint administration. The ideal candidate is...Contract workRemote workShift work$135k - $216k
ResponsibilitiesThe KINGROAD Security Team is seeking a mid-level Cloud System Administrator. This role integrates Site Reliability Engineer (SRE) principles with Infrastructure as Code (IaC) to ensure the reliability and security of mission-critical systems The candidate...Contract workShift work$87.1k - $157.45k
Leidos has a new and exciting opportunity for a System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented... ...team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...Full timeWork at officeLocal areaImmediate startRemote workFlexible hours- System Administrator 3Required Skills: Fifteen (15) years system administration experience in programs and contracts of similar scope, type... ...integrationFive (5) Years Domain Experience Required:Computer Network Operations- TCP/IP, networks; computer configuration skills;...Remote work
$77.6k - $176k
System Administrator, SeniorThe Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if... ...requirements. You’ll provide your customers insight into their network through monitoring and performance management. Your technical...Full timeContract workPart timeWork at officeLocal areaRemote work$104k - $166k
ResponsibilitiesThe team is seeking a Linux Systems Administrator / Systems Engineer with experience supporting Linux systems in virtualized... ...virtualized infrastructures and a strong understanding of networking concepts, including DNS, IP addressing, routing, and public...Contract workShift work- ...CYBERCORE TECHNOLOGIES TEAM.We are GROWING! Bring your Technical Capabilities, Enthusiasm, and Team Focus.Opportunities for System Administrators (Virtualization) - Active TS/SCI Poly.Responsibilities:Provide training/assistance to local technicians on course deployment...Local area
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