Leidos→
Senior Tier II Network Technician at Leidos in El Segundo, CA
Job Description
Senior Tier II Network Technician
Location: El Segundo, CA
The Digital Modernization Sector at Leidos has an opening for a Senior Tier II Network Technician to support the customer’s computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling.
The job duties of the Senior Tier II Network Technician are as follows:
The Tier II network field technician will support the installation and maintenance of the client LAN/WAN devices.
Respond to and resolve incidents, demonstrate troubleshooting skills and communicate with the team.
Complete assigned tasks within Service Level Objectives/Agreements (SLOs/SLAs).
Draft and implement standard network change requests.
Provide support to Tier III network engineers for incident management and projects (site surveys, TEMS, coordinate and install new equipment).
Perform configuration management functions such as update topology drawings, ensure asset management records are accurate, and conduct inventory.
Coordinate network operations, maintenance, repairs, or upgrades. (Knowledge of CISCO/Juniper RMA process).
Layer 1 network experience (CAT5/6, SM/MM Fiber, Serial cables, SFP).
Layer 2 network experience (ability to configure/troubleshoot switches/routers, MAC addresses, VLANs, port security, applying thin and thick configs.
Layer 3 network experience (subnetting, familiar with protocols such as OSPF, BGP, HSRP, MPLS, LSP, GRE)
Configure and troubleshoot layer 2 switching (VLAN’s, Port Security, Thin Configs).
Perform IOS upgrades for Cisco, Juniper, Brocade and Foundry OS.
Experience with Visio.
Familiar with ServiceNow and Confluence.
Experience mentoring and training junior technical staff
May have up to 10% COMSEC responsibilities based on site and team needs.
Basic Qualifications
Required Clearance: TS/SCI CI Poly
Candidate must have 12 years of experience that can be a combination of work history and education. This equates to a Doctorate and 4 years, master’s and 6 years, bachelor’s and 8 years, associates and 10 years or HS diploma and 12 years.
Compliance with Department of Defense (DoD) 8140 Information Assurance Technical (IAT) Level 2.
Available to travel up to 20% of the time.
Available to work flexible hours, to include weekend support.
Ability to work independently and in a collaborative environment.
Clearance Required
All candidates must possess an active TS/SCI with CI Poly at time of consideration.
Broadside
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
August 21, 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 $92,300.00 - $166,850.00The Leidos pay range for this job level is a general guideline only and 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.