Tier III Senior Network Engineer

leidos· 00100 LEIDOS, INC.
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📍 Tampa, FLFull time💰 USD 73K–133K

About this role

Seeking a career with a sense of purpose, work life balance, and growth opportunities … There’s a place for you at Leidos!

At Leidos, we are committed to making the world safer, healthier, and more efficient through technology, engineering, and science. You would be a valued member of global team providing services across civil, defense, health, and intelligence business lines. At Leidos, team member career development, flexibility, and well-being are priority and is supported by consistent leadership engagement, an experienced human relations staff, and numerous employee support programs.

Use your unique talents and make an immediate impact…

Leidos has an opening for a highly motivated Tier III Senior Network Engineer at MacDill AFB, FL. As the Senior Network Engineer, you will support the Global Solutions Management-Operations II (GSM-O II), Joint Communications Support Element (JCSE). The JCSE team provides en-route, early entry, scalable C4 support to Regional Combatant Commands, Special Operations Command, and other agencies.

In this role, you will be responsible for new capability requirements and design, system assessments, and providing hands-on engineering support. Key elements of this position include: conducting analysis and assessments on new emerging technologies; developing and recommending functional design solutions to meet stakeholder requirements; providing Tier III support to the Joint Network Operations Center (JNOC); developing, engineering, and recommending hardware and software solutions; and conducting cybersecurity mitigations on design solutions to comply with Risk Management Framework (RMF) cybersecurity requirements.

Responsibilities include:

  • Providing Tier III routing and switching support with hands on experience designing, testing, and implementing IGP, EGP, MPLS, VRF, and NFV/Service Chaining on an enterprise network to meet security, performance, operational, and functional requirements.

  • Ensuring proper routing protocols are being applied to optimize the end-to-end network performance from the Local Area Network (LAN) through a Wide Area Network (WAN), to a Campus Area Network (CAN), to a Storage Area Network (SAN), or data center.

  • Assisting the government customer with identifying any derived design objectives, technical specifications, performance requirements, and interoperability specifications to ensure the system design will meet stakeholder end-to-end requirements.

  • Ensure the system design adheres to industry standards, DOD standards, DOD policies, DOD instructions, DOD directives, cybersecurity policies, and best commercial practices.  

  • Develop presentations to stakeholders articulating the gaps, requirements, objectives, functional and solution architecture.

  • Develop, review, and update briefings, papers, and/or spreadsheets to meet customer requirements.

  • Provide analysis for how the operational, functional, and performance requirements will be met as part of the system design, test, and implementation of initial capabilities.

Minimum Qualifications:

  • Current DoD 8140 (formerly 8570) IAT Level II certification (CompTIA Security+ce, CCNA Security, CySA+, etc.)

  • CCNP Enterprise

  • Education: BS Degree and 4-8 years of prior relevant experience or Masters with 2-6 years of relevant experience. Specific experience, education and training may be considered in lieu of degree.

  • Clearance:  Secret

Intrigued?... There’s more! Leidos understands that there are many factors that contribute to a career decision, but pay and benefits are fundamental factors.

Compensation: Very competitive, with a robust rewards and recognition program

Health and well-being: Comprehensive coverage with many programs (ex. HSA, FSA, Dental, Vision, 24/7 EAP) to ensure the well-being of you, eligible family members, and registered domestic partners.

Income Protection: Programs to help navigate life events: Company-provided Term Basic Life, Group Universal Life, Optional Dependent Life, Accidental Death and Dismemberment, and Business travel accident

Leave: Leidos is committed to work life balance, with competitive leave options.

Retirement: Leidos 401k plan, with company match determined by fringe benefit package 

Employee Stock Purchase plan: 10% discount for all enrollees

Family Benefits: Center-based and in home back-up childcare, free access to Sittercity, and Dependent (Daycare) Flexible Spending Accounts

The Leidos values are integrity, inclusion, innovation, agility, collaboration, and commitment. It’s under these values that we feel we are able to provide a safe work environment where we foster equality, growth, and creativity. If you feel Leidos is a fit you and can meet your needs, please submit your application and join our team in our commitment to excellence.  

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:

June 26, 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.

Frequently Asked Questions

What is the salary for the Tier III Senior Network Engineer role at leidos?
The listed salary for this Tier III Senior Network Engineer position at leidos is USD 73K–133K. This is an Full time role.
Where is the Tier III Senior Network Engineer position at leidos located?
This Tier III Senior Network Engineer role at leidos is based in Tampa, FL. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Tier III Senior Network Engineer role at leidos full-time or part-time?
This is listed as a Full time position. It is posted as a Tier III Senior Network Engineer role in the 00100 LEIDOS, INC. department at leidos.
Which team or department does the Tier III Senior Network Engineer at leidos belong to?
This Tier III Senior Network Engineer position is part of the 00100 LEIDOS, INC. department at leidos. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Tier III Senior Network Engineer position at leidos?
Click the "Apply Now" button on this page. You will be redirected to leidos's official application portal hosted on workday where you can submit your application directly.
When was the Tier III Senior Network Engineer job at leidos posted?
This Tier III Senior Network Engineer position at leidos was posted on Jul 23, 2026. Apply as soon as possible — early applications are often reviewed first.
Tier III Senior Network Engineer
leidos · 💰 USD 73K–133K
Apply for this role ↗

You'll be redirected to leidos's official application page on Workday.