Junior Network Administrator (TSSCI)
Job Location:
Hampton, VA - USA
Monthly Salary:
Posted on:
Vacancies:
Job Summary
Mission One: Land The Job. Mission Two: Outdo Whats Next. Come #OutsmartOutdo atLeidos!
Leidos isseeking a motivated TS/SCI cleared 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 candidatedemonstratesa solid foundation in networking fundamentals a willingness to learn vendor-specific technologies and the discipline tooperatewithin DoDnetwork standards.The job duties will be performed on site at Langley Air Force Base VA.
Roles and Responsibilities
Assistin 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 treetrunking and port security on Juniper EX Series and/or Cisco Catalyst platforms.
Assistwith 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; escalate anomalies andassistin root cause analysis.
Support configuration and maintenance offirewallrules 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 devicesin accordance withchange management procedures.
Maintainaccurateand 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 andassistwith troubleshooting during network outages or degraded service events.
Basic Qualifications:
Bachelors degree in Network Engineering Computer Science Information Technology or a related field or additional equivalent hands-on years of experience and certifications will be considered in lieu of degree.
Must have active and current DoD TS/SCI Clearance.
DoD 8570/8140-compliant certification at IAT Level II-CompTIA Security CEat minimum.
Demonstratedunderstanding of OSI model TCP/IP subnetting VLANs routing protocols (BGPOSPF static routing) and WAN technologies.
Practical experience with LAN switching concepts on Juniper EX Series or Cisco Catalyst platforms including VLANs STP andtrunking.
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 Networks Certified Associate (JNCIA-Junos) or progress toward JNCIS-ENT; Juniper SSR-specific training or certification a strong plus or Cisco CCNA.
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.
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.
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.
Working knowledge of IPsec VPN configuration zone-basedfirewallpolicies or experience with Juniper SRX Series security platforms.
Basic familiarity with network automation tools or scripting (Python Ansible or Junos) for configuration management or compliance checks.
CompTIA Network or other vendor-neutral networking credentialsdemonstratinga broad networking foundation.
#DINM
DABAOPP1
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
June 12 2026For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $73450.00 - $132775.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
Junior IC
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
