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Cyber Network Engineer - Careers at Leidos

Leidos

Cyber Network Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Cyber Network Engineer in Lorton, VA

Leidos Digital Modernization Sector seeks a skilled Cyber Network Engineer for our Lorton, VA office supporting the Homeland Enterprise Information Technology Secure Services & Support (HEITS) Program for the Department of Homeland Security. Deliver mission-critical cybersecurity and information assurance in a high-stakes environment blending enterprise networking with advanced security.

Primary Responsibilities

  • Implement secure architectures including segmentation, zoning, DMZs, and zero-trust designs per best practices.
  • Support vulnerability management: scans, network findings remediation via ACLs, firewall rules, device patching.
  • Monitor performance/availability/security using tools like SolarWinds/Splunk; proactively resolve issues.
  • Maintain documentation: diagrams, IPAM, baselines, SOPs, and Body of Evidence (BOE) updated for patches/changes.
  • Collaborate with cyber, systems, ops teams for secure, scalable network designs.
  • Contribute to incident response: captures, logs, isolation.
  • Assist audits/compliance with configs, evidence, explanations.

Basic Qualifications

  • Bachelor’s in IT/Computer Science/Engineering + 8+ years (or equivalent experience).
  • US Citizen with active TS/SCI clearance.
  • 5-8+ years enterprise Network Engineering with Cisco (BGP/OSPF/EIGRP/VLANs/STP/QoS).
  • Hands-on Palo Alto firewalls (policies/NAT/VPNs/Panorama) and Cisco ASA/Firepower.
  • Network security expertise: segmentation, zero trust, IDS/IPS, NAC.
  • Vulnerability tools/processes; monitoring (SolarWinds/Splunk); Wireshark troubleshooting.
  • Strong communication/documentation skills.

Preferred Qualifications

  • Certifications: Cisco CCNA/CCNP, Palo Alto PCNSA/PCNSE, Security+, CySA+, CISSP.
  • FISMA/FedRAMP/NIST 800-53 experience.

Salary range: $107,900 - $195,050. Thrive in complex, mission-critical DHS environments at Leidos.

Locations

  • Lorton, Virginia, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

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

Skills Required

  • Cisco routing and switching (BGP, OSPF, EIGRP, VLANs, STP, EtherChannel, QoS)intermediate
  • Palo Alto next-generation firewalls (security policies, NAT, VPNs, Panorama)intermediate
  • Cisco ASA/Firepower firewalls and VPNsintermediate
  • Network security (segmentation, zero trust, IDS/IPS, NAC)intermediate
  • Vulnerability management and scanningintermediate
  • Network monitoring (SolarWinds, Splunk, ELK)intermediate
  • Packet capture and analysis (Wireshark)intermediate
  • Troubleshooting OSI layers 1-7intermediate

Required Qualifications

  • Bachelor’s degree in IT, Computer Science, Engineering or related field + 8+ years experience (or equivalent) (experience)
  • US Citizen with active TS/SCI clearance (experience)
  • 5-8+ years hands-on enterprise Network Engineering (experience)
  • Cisco CCNA/CCNP, Palo Alto PCNSA/PCNSE, Security+, CISSP (preferred) (experience)
  • Experience in FISMA/NIST compliance environments (preferred) (experience)

Responsibilities

  • Design/implement secure network architectures (segmentation, DMZs, zero-trust)
  • Manage firewalls/VPNs and support vulnerability remediation (ACLs, rule updates, patching)
  • Monitor network performance/security and proactively resolve issues
  • Create/maintain network documentation (diagrams, IPAM, configs, SOPs, BOE)
  • Collaborate with cyber/systems teams on security/performance requirements
  • Participate in incident response (traffic analysis, containment)
  • Support audits/compliance with configs and evidence

Benefits

  • general: Competitive salary $107,900-$195,050
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Paid time off and federal holidays
  • general: Professional development and certification reimbursement
  • general: Mission-critical work supporting DHS cybersecurity

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Leidos logo

Cyber Network Engineer - Careers at Leidos

Leidos

Cyber Network Engineer - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos as a Cyber Network Engineer in Lorton, VA

Leidos Digital Modernization Sector seeks a skilled Cyber Network Engineer for our Lorton, VA office supporting the Homeland Enterprise Information Technology Secure Services & Support (HEITS) Program for the Department of Homeland Security. Deliver mission-critical cybersecurity and information assurance in a high-stakes environment blending enterprise networking with advanced security.

Primary Responsibilities

  • Implement secure architectures including segmentation, zoning, DMZs, and zero-trust designs per best practices.
  • Support vulnerability management: scans, network findings remediation via ACLs, firewall rules, device patching.
  • Monitor performance/availability/security using tools like SolarWinds/Splunk; proactively resolve issues.
  • Maintain documentation: diagrams, IPAM, baselines, SOPs, and Body of Evidence (BOE) updated for patches/changes.
  • Collaborate with cyber, systems, ops teams for secure, scalable network designs.
  • Contribute to incident response: captures, logs, isolation.
  • Assist audits/compliance with configs, evidence, explanations.

Basic Qualifications

  • Bachelor’s in IT/Computer Science/Engineering + 8+ years (or equivalent experience).
  • US Citizen with active TS/SCI clearance.
  • 5-8+ years enterprise Network Engineering with Cisco (BGP/OSPF/EIGRP/VLANs/STP/QoS).
  • Hands-on Palo Alto firewalls (policies/NAT/VPNs/Panorama) and Cisco ASA/Firepower.
  • Network security expertise: segmentation, zero trust, IDS/IPS, NAC.
  • Vulnerability tools/processes; monitoring (SolarWinds/Splunk); Wireshark troubleshooting.
  • Strong communication/documentation skills.

Preferred Qualifications

  • Certifications: Cisco CCNA/CCNP, Palo Alto PCNSA/PCNSE, Security+, CySA+, CISSP.
  • FISMA/FedRAMP/NIST 800-53 experience.

Salary range: $107,900 - $195,050. Thrive in complex, mission-critical DHS environments at Leidos.

Locations

  • Lorton, Virginia, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

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

Skills Required

  • Cisco routing and switching (BGP, OSPF, EIGRP, VLANs, STP, EtherChannel, QoS)intermediate
  • Palo Alto next-generation firewalls (security policies, NAT, VPNs, Panorama)intermediate
  • Cisco ASA/Firepower firewalls and VPNsintermediate
  • Network security (segmentation, zero trust, IDS/IPS, NAC)intermediate
  • Vulnerability management and scanningintermediate
  • Network monitoring (SolarWinds, Splunk, ELK)intermediate
  • Packet capture and analysis (Wireshark)intermediate
  • Troubleshooting OSI layers 1-7intermediate

Required Qualifications

  • Bachelor’s degree in IT, Computer Science, Engineering or related field + 8+ years experience (or equivalent) (experience)
  • US Citizen with active TS/SCI clearance (experience)
  • 5-8+ years hands-on enterprise Network Engineering (experience)
  • Cisco CCNA/CCNP, Palo Alto PCNSA/PCNSE, Security+, CISSP (preferred) (experience)
  • Experience in FISMA/NIST compliance environments (preferred) (experience)

Responsibilities

  • Design/implement secure network architectures (segmentation, DMZs, zero-trust)
  • Manage firewalls/VPNs and support vulnerability remediation (ACLs, rule updates, patching)
  • Monitor network performance/security and proactively resolve issues
  • Create/maintain network documentation (diagrams, IPAM, configs, SOPs, BOE)
  • Collaborate with cyber/systems teams on security/performance requirements
  • Participate in incident response (traffic analysis, containment)
  • Support audits/compliance with configs and evidence

Benefits

  • general: Competitive salary $107,900-$195,050
  • general: Comprehensive health, dental, vision insurance
  • general: 401(k) matching and retirement plans
  • general: Paid time off and federal holidays
  • general: Professional development and certification reimbursement
  • general: Mission-critical work supporting DHS cybersecurity

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

Get personalized recommendations to optimize your resume specifically for Cyber 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 "Cyber 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 Lorton, VALeidos CareersCybersecurity JobsNetwork EngineeringDefense ITHiring in VirginiaEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Cyber 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.