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Senior Systems / Network Administrator - Careers at Leidos

Leidos

Senior Systems / Network Administrator - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos: Senior Systems / Network Administrator

Leidos seeks a Senior Systems / Network Administrator for immediate placement on the critical SMIT-MCEN contract in Quantico, VA. Support Marine Corps enterprise network modernization, consolidating shore-based networks into a secure environment for 200,000+ users worldwide—the largest Navy IT services program.

Key Responsibilities

  • Lead 24/7 Active Directory and networking support in MCEN-N/S environments.
  • Handle account management, spillage resolution, and malicious email mitigation.
  • Maintain SIPR VTC tunnels and tactical configurations.
  • Resolve 50 daily Remedy tickets, performing IOS reloads and connectivity troubleshooting.
  • Collaborate with onsite teams (90% rapid resolutions) and drive continuous improvements.

Basic Qualifications

  • Bachelor's in CS/MIS or equivalent experience.
  • Active DoD Top Secret clearance (US Citizen).
  • 10+ years IT with IPv6, EIGRP, BGP, VLANs, VPNs, NAT.
  • 10+ years Active Directory/Exchange.
  • 3+ years Remedy ticketing.
  • IAT Level III + Security+ certifications.

Why Leidos?

Outthink, outbuild, outpace. Contribute to Navy-Marine Corps Intranet backbone with cybersecurity, network ops, and data transport. Maintain certifications amid emerging threats for mission readiness. Pay: $92,300-$166,850 USD, based on experience and market alignment.

Apply now—disrupt the status quo on a high-impact DoD program.

Locations

  • Quantico, Virginia, United States

Salary

92,300 - 166,850 USD / yearly

Estimated Salary Rangehigh confidence

92,300 - 166,850 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Active Directory Managementintermediate
  • IPv6 Monitoringintermediate
  • EIGRP & BGP Routingintermediate
  • VLANs & VPNsintermediate
  • NAT Configurationintermediate
  • Remedy Ticketing Systemintermediate
  • Network Troubleshootingintermediate
  • Cybersecurity Protocolsintermediate

Required Qualifications

  • Bachelor's Degree in Computer Science, MIS, Business, or related field (experience substitutable) (experience)
  • US Citizen with active DoD Top Secret clearance (experience)
  • 10+ years IT experience with IPv6, EIGRP, BGP, VLANs, VPNs, NAT (experience)
  • 10+ years Active Directory/Exchange account management (experience)
  • 3+ years Remedy or similar ticketing system (experience)
  • IAT Level III certification (experience)
  • Security+ certification (experience)

Responsibilities

  • Oversee network systems, architecture, and topology deployment
  • Provide 24/7 Active Directory and networking support for MCEN-N/S
  • Manage account creation, transfers, and spillage resolution
  • Mitigate malicious email threats and secure SIPR VTC tunnels
  • Process 50 daily tickets via MCEN Remedy system (~2,000 annually)
  • Perform IOS reloads, troubleshoot connectivity, and resolve access issues
  • Document lessons learned and lead vulnerability mitigation efforts
  • Collaborate with onsite technicians to minimize downtime

Benefits

  • general: Competitive salary $92,300 - $166,850
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Paid time off and flexible work options
  • general: Professional development and certification reimbursement
  • general: Mission-critical DoD contract stability

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Leidos logo

Senior Systems / Network Administrator - Careers at Leidos

Leidos

Senior Systems / Network Administrator - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos: Senior Systems / Network Administrator

Leidos seeks a Senior Systems / Network Administrator for immediate placement on the critical SMIT-MCEN contract in Quantico, VA. Support Marine Corps enterprise network modernization, consolidating shore-based networks into a secure environment for 200,000+ users worldwide—the largest Navy IT services program.

Key Responsibilities

  • Lead 24/7 Active Directory and networking support in MCEN-N/S environments.
  • Handle account management, spillage resolution, and malicious email mitigation.
  • Maintain SIPR VTC tunnels and tactical configurations.
  • Resolve 50 daily Remedy tickets, performing IOS reloads and connectivity troubleshooting.
  • Collaborate with onsite teams (90% rapid resolutions) and drive continuous improvements.

Basic Qualifications

  • Bachelor's in CS/MIS or equivalent experience.
  • Active DoD Top Secret clearance (US Citizen).
  • 10+ years IT with IPv6, EIGRP, BGP, VLANs, VPNs, NAT.
  • 10+ years Active Directory/Exchange.
  • 3+ years Remedy ticketing.
  • IAT Level III + Security+ certifications.

Why Leidos?

Outthink, outbuild, outpace. Contribute to Navy-Marine Corps Intranet backbone with cybersecurity, network ops, and data transport. Maintain certifications amid emerging threats for mission readiness. Pay: $92,300-$166,850 USD, based on experience and market alignment.

Apply now—disrupt the status quo on a high-impact DoD program.

Locations

  • Quantico, Virginia, United States

Salary

92,300 - 166,850 USD / yearly

Estimated Salary Rangehigh confidence

92,300 - 166,850 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Active Directory Managementintermediate
  • IPv6 Monitoringintermediate
  • EIGRP & BGP Routingintermediate
  • VLANs & VPNsintermediate
  • NAT Configurationintermediate
  • Remedy Ticketing Systemintermediate
  • Network Troubleshootingintermediate
  • Cybersecurity Protocolsintermediate

Required Qualifications

  • Bachelor's Degree in Computer Science, MIS, Business, or related field (experience substitutable) (experience)
  • US Citizen with active DoD Top Secret clearance (experience)
  • 10+ years IT experience with IPv6, EIGRP, BGP, VLANs, VPNs, NAT (experience)
  • 10+ years Active Directory/Exchange account management (experience)
  • 3+ years Remedy or similar ticketing system (experience)
  • IAT Level III certification (experience)
  • Security+ certification (experience)

Responsibilities

  • Oversee network systems, architecture, and topology deployment
  • Provide 24/7 Active Directory and networking support for MCEN-N/S
  • Manage account creation, transfers, and spillage resolution
  • Mitigate malicious email threats and secure SIPR VTC tunnels
  • Process 50 daily tickets via MCEN Remedy system (~2,000 annually)
  • Perform IOS reloads, troubleshoot connectivity, and resolve access issues
  • Document lessons learned and lead vulnerability mitigation efforts
  • Collaborate with onsite technicians to minimize downtime

Benefits

  • general: Competitive salary $92,300 - $166,850
  • general: Comprehensive health, dental, and vision insurance
  • general: 401(k) matching and retirement plans
  • general: Paid time off and flexible work options
  • general: Professional development and certification reimbursement
  • general: Mission-critical DoD contract stability

Target Your Resume for "Senior Systems / Network Administrator - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Senior Systems / Network Administrator - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Systems / Network Administrator - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Quantico, VALeidos CareersDefense IT JobsNetwork EngineeringGovernment ContractsEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Senior Systems / Network Administrator - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.