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From the employer's careers site First seen 28 Oct 2026

Senior Network Engineer

Leidos Bethesda, MD On-site senior full-time

Salary

$116,350 - $210,325 per year

Apply on Leidos

Description

Leidos is seeking a Senior Network Engineer to support the National Digital Exploitation & OSINT Center (NDOC). The successful candidate will provide senior-level technical expertise in planning, coordination, implementation, and sustainment of major computer network initiatives.

Primary Responsibilities:

  • Design, implement, and sustain highly available, scalable, and secure data center and enterprise network environments
  • Support planning and integration of LAN/WAN infrastructure
  • Provide technical leadership in configuration, optimization, and troubleshooting of Cisco ACI, routers, switches, firewalls, and load balancers
  • Analyze and optimize network connectivity and performance
  • Oversee use of network monitoring and ITSM tools such as ServiceNow, SolarWinds, NetBox, and PRTG
  • Lead technical troubleshooting and incident resolution for complex network and data center issues
  • Develop and maintain contingency and continuity plans and procedures
  • Provide technical oversight of network infrastructure standards and practices
  • Analyze network segmentation, performance, capacity, and latency requirements
  • Coordinate with IT, Systems Engineering, Cybersecurity, and Application teams
  • Provide technical oversight of ServiceNow ITSM activities
  • Prepare and present technical status reports, incident summaries, performance metrics, and recommendations
  • Provide technical support and leadership for network modernization and data center consolidation initiatives
  • Evaluate emerging network technologies and provide recommendations
  • Provide technical guidance, mentoring, and work direction to network engineers and technicians
  • Assist leadership with resource planning, work schedules, and personnel coverage
  • May support evaluation of resumes and technical qualifications for network engineering vacancies
  • May provide input to leadership regarding performance and development of assigned personnel
  • May review and approve timesheets for assigned personnel
  • Provide after-hours or on-call technical support as required

Basic Qualifications:

  • Proven experience designing, implementing, and maintaining data center network architectures
  • Hands-on experience with Cisco ACI, Nexus, and Catalyst platforms
  • Strong understanding of TCP/IP, DNS, DHCP, OSPF, BGP, VLANs, HSRP, SNMP, and multicast protocols
  • Proficiency with network monitoring and ITSM tools
  • In-depth knowledge of network security principles
  • Familiarity with network asset lifecycle management, capacity planning, and hardware procurement processes
  • Experience leading teams and managing performance
  • Excellent written and verbal communication skills
  • Meets DoD 8140/8570.11- IAT Level II certification requirements

Clearance:

  • US Citizenship required
  • TS/SCI with Poly required for Position or TS/SCI and willingness to get a poly

Education:

  • Bachelor’s degree and 12+ years of relevant experience

Preferred Qualifications:

  • Active Cisco Certified Network Associate (CCNA) certification
  • CCNP or CCIE certification

Pay Range: $116,350.00 - $210,325.00

Skills

Required

  • Cisco ACI
  • Nexus
  • Catalyst
  • TCP/IP
  • DNS
  • DHCP
  • OSPF
  • BGP
  • VLANs
  • HSRP
  • SNMP
  • multicast protocols
  • ServiceNow
  • SolarWinds
  • NetBox
  • network security principles
  • firewall rules
  • ACLs
  • VPNs
  • secure remote access

Nice to have

  • CCNA
  • CCNP
  • CCIE

Ready to apply?

You apply with the employer directly. Their original posting is here: https://leidos.wd5.myworkdayjobs.com/en-US/External/job/Bethesda-MD/Network-Engineer_R-00192160

Apply on Leidos