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Sr. O&M Network Engineer - Careers at Leidos

Leidos

Sr. O&M Network Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Sr. O&M Network Engineer in Chantilly, VA

Leidos Digital Modernization Sector seeks a Tier III O&M Network Engineer to deliver elite support for enterprise WANs and LANs across multiple classifications. As a routing SME, you'll manage Juniper and Cisco infrastructure, tackling complex L2/L3 challenges in a high-stakes environment.

Key Responsibilities

  • Tier III operations on Juniper/Cisco routers: advanced troubleshooting and routing implementations.
  • Resolve connectivity, latency, and asymmetric routing issues.
  • Expert handling of OSPF, BGP, MPLS, VRFs, VPNs.
  • Participate in technical exchanges, root cause analysis, and incident response.
  • Leverage monitoring tools for deep traffic analysis; on-call rotation required.
  • Collaborate with IT teams, ISPs, and app owners on projects.

Required Qualifications

  • TS/SCI with Polygraph.
  • 16 years experience (flexible education substitution).
  • DoD 8570 IAT Level II.
  • Proven Juniper/Cisco config/troubleshooting; OSPF/BGP/MPLS mastery.
  • IP subnetting, NAT, security tech knowledge.
  • ServiceNow ITSM familiarity; MS Office intermediate skills.

Preferred Skills

Palo Alto, Cisco ASA, Forcepoint firewalls a plus. If you thrive on disruption and mission impact, Leidos is your platform. Pay Range: $92,300 - $166,850 USD annually. Original posting Feb 27, 2025.

At Leidos, we outthink, outbuild, and outpace. Apply now for full-time, mid-senior level opportunity in Chantilly, VA.

Locations

  • Chantilly, 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

  • Juniper Routersintermediate
  • Cisco Routers and Switchesintermediate
  • OSPFintermediate
  • BGPintermediate
  • MPLSintermediate
  • VRFintermediate
  • VPNintermediate
  • Layer 2/3 Troubleshootingintermediate
  • Palo Alto Firewallsintermediate
  • Cisco ASAintermediate
  • ServiceNow ITSMintermediate
  • MS Office Suiteintermediate

Required Qualifications

  • TS/SCI with Polygraph Clearance (experience)
  • 16+ years experience (equiv. to HS+16, AA+14, BA+12, MA+10, PhD+8) (experience)
  • DoD 8570 IAT Level II (experience)
  • Routing/Switching/IP Subnet/NAT Expertise (experience)
  • Schematic Diagram Proficiency (experience)
  • Superior Communication Skills (experience)

Responsibilities

  • Provide Tier III O&M for Juniper/Cisco routers including L2/L3 troubleshooting and routing changes
  • Diagnose connectivity, latency, asymmetric routing issues
  • Implement/troubleshoot OSPF, BGP, MPLS, VRFs, VPNs
  • Support technical exchanges, root cause analysis, incident management
  • Utilize monitoring tools for traffic anomaly analysis
  • Collaborate on projects with IT teams and on-call rotation

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 tuition reimbursement
  • general: Paid time off, holidays, and flexible scheduling
  • general: Mission-critical work in cutting-edge defense IT

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Leidos logo

Sr. O&M Network Engineer - Careers at Leidos

Leidos

Sr. O&M Network Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Sr. O&M Network Engineer in Chantilly, VA

Leidos Digital Modernization Sector seeks a Tier III O&M Network Engineer to deliver elite support for enterprise WANs and LANs across multiple classifications. As a routing SME, you'll manage Juniper and Cisco infrastructure, tackling complex L2/L3 challenges in a high-stakes environment.

Key Responsibilities

  • Tier III operations on Juniper/Cisco routers: advanced troubleshooting and routing implementations.
  • Resolve connectivity, latency, and asymmetric routing issues.
  • Expert handling of OSPF, BGP, MPLS, VRFs, VPNs.
  • Participate in technical exchanges, root cause analysis, and incident response.
  • Leverage monitoring tools for deep traffic analysis; on-call rotation required.
  • Collaborate with IT teams, ISPs, and app owners on projects.

Required Qualifications

  • TS/SCI with Polygraph.
  • 16 years experience (flexible education substitution).
  • DoD 8570 IAT Level II.
  • Proven Juniper/Cisco config/troubleshooting; OSPF/BGP/MPLS mastery.
  • IP subnetting, NAT, security tech knowledge.
  • ServiceNow ITSM familiarity; MS Office intermediate skills.

Preferred Skills

Palo Alto, Cisco ASA, Forcepoint firewalls a plus. If you thrive on disruption and mission impact, Leidos is your platform. Pay Range: $92,300 - $166,850 USD annually. Original posting Feb 27, 2025.

At Leidos, we outthink, outbuild, and outpace. Apply now for full-time, mid-senior level opportunity in Chantilly, VA.

Locations

  • Chantilly, 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

  • Juniper Routersintermediate
  • Cisco Routers and Switchesintermediate
  • OSPFintermediate
  • BGPintermediate
  • MPLSintermediate
  • VRFintermediate
  • VPNintermediate
  • Layer 2/3 Troubleshootingintermediate
  • Palo Alto Firewallsintermediate
  • Cisco ASAintermediate
  • ServiceNow ITSMintermediate
  • MS Office Suiteintermediate

Required Qualifications

  • TS/SCI with Polygraph Clearance (experience)
  • 16+ years experience (equiv. to HS+16, AA+14, BA+12, MA+10, PhD+8) (experience)
  • DoD 8570 IAT Level II (experience)
  • Routing/Switching/IP Subnet/NAT Expertise (experience)
  • Schematic Diagram Proficiency (experience)
  • Superior Communication Skills (experience)

Responsibilities

  • Provide Tier III O&M for Juniper/Cisco routers including L2/L3 troubleshooting and routing changes
  • Diagnose connectivity, latency, asymmetric routing issues
  • Implement/troubleshoot OSPF, BGP, MPLS, VRFs, VPNs
  • Support technical exchanges, root cause analysis, incident management
  • Utilize monitoring tools for traffic anomaly analysis
  • Collaborate on projects with IT teams and on-call rotation

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 tuition reimbursement
  • general: Paid time off, holidays, and flexible scheduling
  • general: Mission-critical work in cutting-edge defense IT

Target Your Resume for "Sr. O&M Network Engineer - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Sr. O&M 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 "Sr. O&M 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 Chantilly VALeidos CareersNetwork EngineeringCleared IT JobsUnited States HiringEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Sr. O&M 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.