Leidos

Builds technology for defense and civil agencies

Tier 2 Network Technician

Network Engineering & AdministrationConfirmed live in the last 24 hours

Full-timeChantilly, VA, USA$73.5k - $132.8k

About the Job

Requirements

The candidate must have 10 years of experience, which may be a combination of work history and education: a doctorate and 3 years, a master's degree and 4 years, a bachelor's degree and 6 years, an associate's degree and 8 years, or a high school diploma and 10 years.
The candidate must comply with Department of Defense 8570 Information Assurance Technical Level 2.
The candidate must have knowledge of Transmission Control Protocol/Internet Protocol and the Open Systems Interconnection model.
The candidate must have working knowledge of basic routing fundamentals.
The candidate must have a valid driver's license and an acceptable driving record.
The candidate must be able to travel 25% of the time.
The role requires office presence a minimum of five days per week and is located only in the posted location; relocation is not offered.
The candidate must hold a TS/SCI with Poly clearance.
The candidate should have Layer 1 and Layer 2 network experience, including CAT5, single-mode/multimode fiber, serial cables, and SFP.
The candidate should be able to configure and troubleshoot Layer 2 switching, including VLANs, port security, and thin configurations.
The candidate should have knowledge of Cisco IOS, Juniper JUNOS, Brocade, and Foundry operating systems.
The candidate should be familiar with Layer 3 protocols including OSPF, BGP, VRRP, HSRP, MPLS, LSP, and GRE, and with Visio, ServiceNow, and Confluence.

Responsibilities

Support installation and maintenance of client LAN/WAN devices.
Respond to and resolve incident tickets.
Draft and implement standard network change requests.
Provide support to Tier III network engineers for incident management and projects, including site surveys, TEMS, and coordinating and installing new equipment.
Perform configuration management, including updating topology drawings, ensuring asset management records are accurate, and conducting inventory.
Coordinate network operations, maintenance, repairs, or upgrades, including the Cisco/Juniper RMA process.
Support computer data communications systems by providing design specifications, testing and inspecting computer networks, planning and implementing upgrades, and analyzing and organizing corresponding hardware and software solutions through network modeling.
Perform up to 10% COMSEC responsibilities.

The Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician to support 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 Tier II Network Technician are as follows:

The Tier 2 network field technician will support the installation and maintenance of the client LAN/WAN devices.
Respond to and resolve incident tickets.
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 and Layer 2 network experience (CAT5, SM/MM Fiber, Serial cables, SFP).
Configure and troubleshoot layer 2 switching (VLAN’s, Port Security, Thin Configs).
Knowledge of Cisco IOS, Juniper JUNOS, Brocade and Foundry OS.
Familiar (doesn’t need to be a SME) with Layer 3 protocols such as OSPF, BGP, VRRP, HSRP, MPLS, LSP, GRE. Familiar with Visio, ServiceNow, and Confluence.
May have up to 10% COMSEC responsibilities.

Requirements

Required Clearance: TS/SCI with Poly
Candidate must have 10 years of experience that can be a combination of work history and education. This equates to a Doctorate and 3 years, master’s and 4 years, bachelor’s and 6 years, associates and 8 years or HS Diploma and 10 years.
Additional required qualifications include: Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2.
Knowledge of Transmission Control Protocol/Internet Protocol (TCP/IP) and Open Systems Interconnection (OSI) model.
Working knowledge of basic routing fundamentals.
Ability to travel 25 percent of the time.
In order to be considered for this position, you must have a valid driver’s license and an acceptable driving record.
This position requires office presence a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered.

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:

October 7, 2026

For 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 $73,450.00 - $132,775.00

The 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.

About the Company

Leidos

Builds technology for defense and civil agencies

Leidos develops technology and runs services for defense, intelligence and civilian agencies, as well as healthcare and commercial customers. It combines software and engineering work with systems integration, building secure networks and equipment used in demanding operations. Its portfolio includes medical services, energy infrastructure design and technology that supports military missions, linking specialist businesses under one parent. Customers pay through contracts for delivered systems and services, with payment tied to labor, costs or agreed project milestones. Leidos traces its roots to a company founded in 1969 and is headquartered in Reston, Virginia.

Company size: 10,001+
Company stage: IPO
Headquarters: Reston, VA
Founded: 1969

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