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We empower our teams, contribute to our communities, and operate sustainable.

Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Our Mission, Vision, and Values guide the way we do business.If this sounds like the kind of environment where you can thrive, keep reading!The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability.(Group Profile/Link to Group page) -](https://www.leidos.com/capabilities/digital-modernizationYour)
Next Great Adventure Awaits!Please Note: This position is currently contingent upon customer approval.

The selected candidate(s) will not begin work until funding and customer approval is received.

Leidos is seeking a System Support Specialist!Primary Responsibilities: Use a variety of network management and diagnostic tools for monitoring, troubleshooting communications-related problems for NASA’s Mission Network known as NASCOM.Monitoring and some maintenance assistance will be required of Cisco Routers & Switches, Junipers Routers.

Operating NASA unique hardware items is also required.

Candidate will support the network’s operations and day-to-day activities in support of NASA missions.

Working directly with other NASA centers and customers to help resolve real-time network and dataflow problems which are unique to NASA.Candidate will be involved in several activities including the testing and implementation of new network services.

Position is in the NASCOM Mission Alternate Operating Facility (MAOF), a 24X7 network operation center, that will be fully integrated with the NASCOM Operations Management Center in Greenbelt, Maryland.

The MAOF will require supporting non-standard shifts, weekends, and holidays.

Candidate must be able to pass both a written and practical certification test associated with the operations of the Mission Network within 180 days of hire.

Required Qualifications:Knowledge of TCP/IP technology.

Knowledge of IP Addressing and subnet masking.

Excellent writing and oral communications skills.

Hands-on experience with standard industry products e.g.

Cisco, Juniper, and Ciena.

Effective communicator and able to coordinate network and customer issues with other technical sections.

Ability to multi-task and respond quickly to real-time dataflow issues.

Ability to work non-standard work hours/shifts.

Pleasant personality.

Knowledge of Network Monitoring tools, e.g. NNMi, Specturm, MRTG, CACTI.Experience in supporting Wide Area Networking connectivity.US Citizenship is required and able to obtain at minimum Public Trust clearance.

Desired Qualifications: Knowledge of normal trouble ticket processes.

Knowledge and hands on experience with data analyzers, network probes and other network diagnostic and performance measurement devices.

Experience in performing traceroutes, executing ping test.

Experience in WAN protocols such as SONET and MPLS.Experience working with Commercial Carrier service providers, e.g., AT&T, Verizon.

Knowledgeable of transmission principals including T1, T3, DS-3 &OC-3/48.Knowledge of serial interfaces including RS232, V.35 and RS 449 preferred.

Knowledge of Linux.

Clearance:Candidate must have or be able to obtain a Public Trust with a

Level: of Confidence of 50 or higher.

Desired Certifications / Training:Current holders of either a CCNA, CCNP or JNCIA.To be considered for the following levels:HS and 4+ years of relevant experience.

Specific Location:Huntsville, ALWhy Leidos?Grow with Us: Be part of a company that values innovation and encourages professional development.

Make a Difference: Your work will directly contribute to safer, more efficient airspace for everyone.

Ready to take your career to new heights?

Join Leidos and help us transform the future!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:February 18, 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 $57,850.00 - $104,575.00The 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.