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Senior Network Engineer - Careers at Leidos

Leidos

Senior Network Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Senior Network Engineer in Huntsville, AL

Leidos is seeking a customer-focused Senior Network Engineer to support NASA's National Security Systems (NSS) team. In this leadership role, you'll manage network functions, mentor junior staff, and deliver rapid troubleshooting for mission-critical operations. If you thrive in high-stakes environments and refuse to accept the status quo, this is your opportunity to outthink and outpace at Leidos.

Primary Responsibilities

  • Design, analyze, plan, modify, and maintain networks for data, voice, and video communications.
  • Configure, perform preventative maintenance, and isolate faults in LAN/WAN equipment and telecom circuitry.
  • Provide detailed schematics, hardware/software recommendations, and solutions for current/future capacity needs.
  • Maintain expertise in routers, switches, firewalls, gateways, and interconnection technologies.
  • Plan and implement network enhancements/upgrades; conduct rigorous testing.
  • Evaluate emerging technologies; audit equipment and generate comprehensive reports.
  • Mentor junior team members and delegate tasks per established policies.
  • Deliver quick-reaction support to operations and NASA customers, resolving complex issues swiftly.

Required Qualifications

  • Expert knowledge of network design, protocols, and hardware platforms.
  • Active Top Secret clearance required.
  • Deep experience with WAN/LAN/datacenter routing, switching, firewalls, IPsec/SSL, CUCM/TMS/VCS, and NSA Type I encryptors.
  • Configuration-level Cisco expertise; OS knowledge (Windows, Cisco IOS, RHEL, CentOS).
  • Proven track record in similar roles with exceptional communication skills.

Preferred Qualifications & Certifications

  • DISA STIGs, Splunk, Network Hardening knowledge.
  • TS/SCI clearance.
  • CCNA, CCNP, CompTIA Security+.

Pay Range: $92,300 - $166,850 USD annually. Leidos offers dynamic careers disrupting the ordinary. Apply now for Huntsville, AL full-time role.

Locations

  • Huntsville, Alabama, 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

  • Network Infrastructure Designintermediate
  • Routed Data Protocolsintermediate
  • Cisco Routers/Switches/Firewallsintermediate
  • IPsec/SSL Securityintermediate
  • Cisco Unified Communications Manager (CUCM)intermediate
  • NSA Type I Encryptorsintermediate
  • DHCP/DNS/SSH/TCP/UDPintermediate
  • WAN/LAN/Datacenter Routingintermediate
  • Windows/RHEL/CentOS OSintermediate
  • Network Hardening/STIGsintermediate

Required Qualifications

  • Active Top Secret clearance (TS/SCI preferred) (experience)
  • Expert knowledge of Cisco product lines and firewalls (experience)
  • Proven experience in large-scale IT environments (experience)
  • Advanced security device engineering (experience)
  • CCNA/CCNP/COMPTIA Security+ certifications desired (experience)
  • Experience with Splunk and DISA STIGs (experience)

Responsibilities

  • Design, analyze, and maintain data/voice/video networks
  • Delegate tasks and mentor junior engineers
  • Perform configuration, maintenance, and fault isolation
  • Provide specifications for hardware/software and network architecture
  • Plan enhancements/upgrades and conduct system testing
  • Evaluate new technologies and conduct equipment audits
  • Deliver quick reaction support for NASA NSS operations
  • Generate metric data/analysis for program and customer reporting

Benefits

  • general: Competitive salary $92,300-$166,850
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and certification reimbursement
  • general: Mission-critical work with NASA National Security Systems
  • general: Generous paid time off and flexible work options
  • general: Employee stock purchase plan and performance bonuses

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Leidos logo

Senior Network Engineer - Careers at Leidos

Leidos

Senior Network Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Senior Network Engineer in Huntsville, AL

Leidos is seeking a customer-focused Senior Network Engineer to support NASA's National Security Systems (NSS) team. In this leadership role, you'll manage network functions, mentor junior staff, and deliver rapid troubleshooting for mission-critical operations. If you thrive in high-stakes environments and refuse to accept the status quo, this is your opportunity to outthink and outpace at Leidos.

Primary Responsibilities

  • Design, analyze, plan, modify, and maintain networks for data, voice, and video communications.
  • Configure, perform preventative maintenance, and isolate faults in LAN/WAN equipment and telecom circuitry.
  • Provide detailed schematics, hardware/software recommendations, and solutions for current/future capacity needs.
  • Maintain expertise in routers, switches, firewalls, gateways, and interconnection technologies.
  • Plan and implement network enhancements/upgrades; conduct rigorous testing.
  • Evaluate emerging technologies; audit equipment and generate comprehensive reports.
  • Mentor junior team members and delegate tasks per established policies.
  • Deliver quick-reaction support to operations and NASA customers, resolving complex issues swiftly.

Required Qualifications

  • Expert knowledge of network design, protocols, and hardware platforms.
  • Active Top Secret clearance required.
  • Deep experience with WAN/LAN/datacenter routing, switching, firewalls, IPsec/SSL, CUCM/TMS/VCS, and NSA Type I encryptors.
  • Configuration-level Cisco expertise; OS knowledge (Windows, Cisco IOS, RHEL, CentOS).
  • Proven track record in similar roles with exceptional communication skills.

Preferred Qualifications & Certifications

  • DISA STIGs, Splunk, Network Hardening knowledge.
  • TS/SCI clearance.
  • CCNA, CCNP, CompTIA Security+.

Pay Range: $92,300 - $166,850 USD annually. Leidos offers dynamic careers disrupting the ordinary. Apply now for Huntsville, AL full-time role.

Locations

  • Huntsville, Alabama, 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

  • Network Infrastructure Designintermediate
  • Routed Data Protocolsintermediate
  • Cisco Routers/Switches/Firewallsintermediate
  • IPsec/SSL Securityintermediate
  • Cisco Unified Communications Manager (CUCM)intermediate
  • NSA Type I Encryptorsintermediate
  • DHCP/DNS/SSH/TCP/UDPintermediate
  • WAN/LAN/Datacenter Routingintermediate
  • Windows/RHEL/CentOS OSintermediate
  • Network Hardening/STIGsintermediate

Required Qualifications

  • Active Top Secret clearance (TS/SCI preferred) (experience)
  • Expert knowledge of Cisco product lines and firewalls (experience)
  • Proven experience in large-scale IT environments (experience)
  • Advanced security device engineering (experience)
  • CCNA/CCNP/COMPTIA Security+ certifications desired (experience)
  • Experience with Splunk and DISA STIGs (experience)

Responsibilities

  • Design, analyze, and maintain data/voice/video networks
  • Delegate tasks and mentor junior engineers
  • Perform configuration, maintenance, and fault isolation
  • Provide specifications for hardware/software and network architecture
  • Plan enhancements/upgrades and conduct system testing
  • Evaluate new technologies and conduct equipment audits
  • Deliver quick reaction support for NASA NSS operations
  • Generate metric data/analysis for program and customer reporting

Benefits

  • general: Competitive salary $92,300-$166,850
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Professional development and certification reimbursement
  • general: Mission-critical work with NASA National Security Systems
  • general: Generous paid time off and flexible work options
  • general: Employee stock purchase plan and performance bonuses

Target Your Resume for "Senior Network Engineer - Careers at Leidos" , Leidos

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

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

Check Your ATS Score for "Senior Network Engineer - 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 Huntsville ALLeidos CareersHiring United StatesCleared Network EngineerNASA ContractsEngineeringInformation TechnologySecurity

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

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.