Tier 2 Network Technician

Leidos; Chantilly (VA); On-site; USD 73,000 - 133,000; Full time

Job summary

Leidos in Chantilly, VA is hiring a Tier II Network Technician to support LAN/WAN installations, incident response, and change management. The role requires TS/SCI with Poly, DoD 8570 IAT Level 2, and up to 25% travel.

You're expected to have extensive TCP/IP knowledge, routing basics, and familiarity with Cisco IOS/Juniper JUNOS. Office presence is required 5 days a week at the posted location.

Qualifications

• Requires TS/SCI with Poly clearance.
• Ten years of combined work/education experience.
• DoD 8570 IAT Level 2 certification required.
• Must understand TCP/IP and OSI model.
• Ability to travel up to 25%.
• Driver's license and clean driving record required.
• Office presence five days per week; no relocation.

Responsibilities

• Install and maintain LAN/WAN devices at client sites.
• Respond to and resolve incident tickets.
• Draft and implement standard network change requests.
• Assist Tier III network engineers on incidents and projects.
• Maintain topology drawings and asset records.
• Coordinate network operations, repairs, or upgrades.
• Knowledge of Cisco IOS, Juniper JUNOS, and other OS.
• Familiar with Layer 3 protocols (OSPF, BGP, VRRP, etc.).
• Possibly up to 10% COMSEC responsibilities.

Skills

Network troubleshooting

TCP/IP knowledge

OSI model knowledge

Routing fundamentals

VLANs and switching

Tools

Visio

ServiceNow

Confluence

Job description

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 Diplomaand 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 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.