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Junior Network AdministratorLeidos • Honolulu, Hawaii, United States
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Junior Network Administrator

Leidos
  • US
    Honolulu, Hawaii, United States
  • US
    Honolulu, Hawaii, United States
Apply Now

About

Leidos is seeking a motivated Junior Network Administrator to support the installation, configuration, and day-to-day management of enterprise network infrastructure. This role is an excellent opportunity for an early-career network professional to gain hands‑on experience with routing and switching platforms, including Session Smart Router (SSR) / 128 Technology SD‑WAN solutions, in a structured and security‑conscious environment. The ideal candidate demonstrates a solid foundation in networking fundamentals, a willingness to learn vendor‑specific technologies, and the discipline to operate within DoD network standards.
Roles and Responsibilities
Assist in the configuration, deployment, and ongoing management of routers, switches, and Session Smart Router (SSR) appliances across enterprise and edge network environments.
Support the design and implementation of routing policies, service policies, and traffic steering configurations on SSR/128 Technology platforms under senior engineer guidance.
Perform LAN switching administration – including VLAN configuration, spanning tree, trunking, and port security – on Juniper EX Series and/or Cisco Catalyst platforms.
Assist with the configuration and troubleshooting of routing protocols including OSPF and BGP (eBGP and iBGP) across enterprise WAN and data center environments.
Monitor network health, availability, latency, and throughput using network management tools; elevate anomalies and assist in root cause analysis.
Support configuration and maintenance of firewall rules, access control lists (ACLs), IPsec VPN tunnels, and other network security controls.
Execute software and firmware upgrades, patch management, and lifecycle maintenance activities for network devices in accordance with change management procedures.
Maintain accurate and up-to-date network diagrams, device inventories, and standard operating procedures (SOPs).
Coordinate with senior network engineers, system administrators, and security personnel to resolve network incidents and support planned infrastructure changes.
Participate in on‑call rotation and assist with troubleshooting during network outages or degraded service events.
Basic Requirements
Security Clearance: Must have a DoD TS/SCI Clearance
Certification: DoD 8570/8140-compliant certification at IAT Level II – CompTIA Security+ CE required at minimum.
Networking Fundamentals: Demonstrated understanding of OSI model, TCP/IP, subnetting, VLANs, routing protocols (BGP, OSPF, static routing), and WAN technologies.
Switching Experience: Practical experience with LAN switching concepts on Juniper EX Series or Cisco Catalyst platforms, including VLANs, STP, and trunking.
Education/Experience: Associate’s or Bachelor’s degree in Network Engineering, Computer Science, Information Technology, or a related field – or equivalent hands‑on experience and certifications.
Soft Skills: Strong analytical and troubleshooting mindset, clear written and verbal communication, and the ability to work effectively in a team environment under supervision.
Preferred Qualifications
Juniper/Cisco Certifications: Juniper Networks Certified Associate (JNCIA‑Junos) or progress toward JNCIS‑ENT; Juniper SSR‑specific training or certification a strong plus or Cisco CCNA.
BGP Experience: Familiarity with Border Gateway Protocol – including eBGP and iBGP concepts, peer configuration, route policies, and basic troubleshooting in a multi‑site or service provider‑adjacent environment.
SSR / 128 Technology: Exposure to Juniper Session Smart Router (formerly 128 Technology) platforms, including familiarity with session‑based routing, service and tenant models, or WAN traffic steering concepts.
LAN Switching Depth: Hands‑on experience with advanced switching features such as RSTP/MSTP, LACP/LAG, Q‑in‑Q, or Layer 3 switching on either Juniper EX Series or Cisco Catalyst hardware.
Network Security: Working knowledge of IPsec VPN configuration, zone‑based firewall policies, or experience with Juniper SRX Series security platforms.
Scripting & Automation: Basic familiarity with network automation tools or scripting (Python, Ansible, or Junos) for configuration management or compliance checks.
Additional Certifications: CompTIA Network+, or other vendor‑neutral networking credentials demonstrating a broad networking foundation.
Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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  • Honolulu, Hawaii, United States

Languages

  • English
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