Sr. Tier II Network Technician

Leidos Holding$92K — $166K *
Telecommunications & Hardware
15+ years of experience
Job Overview by Ladders

Qualifications

  • TS SCI with Poly required
  • 16 years of combined education and work experience
  • DoD 8570 IAT Level 2 compliance
  • Proficient in basic routing fundamentals
  • Knowledge of layer 2 switching concepts
  • Familiar with Cisco/Juniper RMA processes
  • Experience with Layer 1 and Layer 2 network media
  • Understanding of TCP/IP and OSI model principles

Responsibilities

  • Install and maintain client LAN/WAN devices
  • Resolve incident tickets promptly
  • Draft and implement standard network change requests
  • Assist Tier III engineers with incident management and projects
  • Perform configuration management and inventory tasks
  • Coordinate network operations, maintenance, and upgrades
  • Support COMSEC duties and secure communication devices

Benefits

  • Comprehensive health and wellness programs
  • 401(k) plan with company matching
  • Career development and training opportunities
  • Flexible work arrangements
  • Employee recognition and rewards programs
Full Job Description

The Digital Modernization Sector at Leidos is seeking aTier II Network Technician to support various WAN and LAN networks. Will provide incident resolution, routing changes, firewall changes; act as subject matter expert in WAN and LAN technologies; support intra- and inter- net and other data communications systems or segments of networked system.

The job duties of the Tier II Network Technician are as follows:

  • The Tier 2 Nework 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, Technical Exchange Meetings (TEMs), and 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.

  • Configure and troubleshoot layer 2 switching (Virtual Local Area Networks (VLANs), Port Security, and Thin Configurations)

  • Perform COMSEC custodian duties, ensuring the proper handling, storage, and safeguarding of cryptographic materials in compliance with U.S. Government Polices.

  • Maintain accountability and inventory control of COMSEC equipment, keying material, and related documentation.

  • Support the installation, configuration, and troubleshooting of encryption devices, including TACLANEs and other secure communication equipment.

  • Support network security operations, ensuring COMSEC integration aligns with overall cybersecurity requirements.

Requirements

  • TS SCI with Poly

  • Candidate must have 16 years of experience that can be a combination of work history and education. This equates to a Doctorate and 8 years, masters and 10 years, bachelors and 12 years, associates and 14 years or HS diploma and 16 years.

  • Compliance with Department of Defense (DoD) 8570 Information Assurance Technical (IAT) Level 2.

  • Working knowledge of basic routing fundamentals

  • Working knowledge of layer 2 switching concepts

  • Knowledge of CISCO/Juniper Return Material Authorization (RMA) processes

  • Layer 1 and Layer 2 network experience (CAT5, Single Mode (SM)/Multimode (MM) Fiber, Serial cables, Small Form-factor Pluggable (SFP)

  • Knowledge of Transmission Control Protocol/Internet Protocol (TCP/IP) and Open Systems Interconnection (OSI) models

  • Knowledge of Cisco Internetworking Operating System (IOS), Juniper JUNOS, and the Brocade and Foundry Operating System (OS)

  • Familiarity (doesnt need to be a SME) with Layer 3 protocols such as Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), Virtual Router Redundancy Protocol (VRRP), Hot Standby Router Protocol (HSRP), Multiprotocol label switching (MPLS), Language Server Protocol (LSP), and Generic Routing Encapsulation (GRE)

  • Familiarity with Microsoft Visio, ServiceNow, and Atlassian Confluence

  • Working knowledge of Service Now or similar IT Service Management (ITSM) products

  • Up to 25% travel



Original Posting:
July 2, 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 $92,300.00 - $166,850.00

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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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