Leidos seeks a Subject Matter Expert (SME) to support NASA’s NASCOM (NASA Communications) mission. This SME will serve as a Tier 3 technical authority, providing advanced troubleshooting, architectural guidance, and operational leadership for the NIOC operations floor. The role requires deep expertise across networking, communications, telephony, and real‑time operational environments, along with the ability to interface directly with NASA leadership and mission stakeholders.
Key Responsibilities
- Serve as the Tier 3 escalation point for complex technical issues affecting NASCOM communication systems, networks, and mission‑critical data flows.
- Apply specialized knowledge across multiple technology domains including networking, compute, storage, cybersecurity, and data services to maintain operational excellence.
- Diagnose, analyze, and resolve issues involving Juniper and Cisco network platforms in both LAN and large‑scale WAN architectures.
- Provide senior‑level oversight and support for telephony and voice systems critical to NASA communication and mission‑support functions.
- Lead development, review, and optimization of operational procedures, ensuring consistent, reliable performance across NIOC operations.
- Train, mentor, and guide operators in technical competencies, troubleshooting methods, and standard operational processes.
- Collaborate with NASA leadership and cross‑functional teams, delivering clear communication, technical recommendations, and strategic insights.
- Support the design, implementation, and continuous improvement of communication, network, and monitoring systems to ensure maximum reliability and availability.
- Evaluate emerging technologies, industry standards, and best practices to drive modernization and maintain a cutting‑edge operational environment.
- Contribute to documentation, change management activities, and configuration tracking to ensure accuracy and compliance with NASA and government standards.
- Assist in coordinating and supporting mission events, anomaly responses, and real‑time operational decisions impacting NASA communication infrastructure.
Basic Qualifications
- Associate’s degree in Information Technology, Telecommunications, or a related field, or equivalent experience.
- Minimum of 6 years of professional experience in networking with an emphasis on Juniper and Cisco systems.
- U.S. Citizenship with the ability to obtain a Public Trust clearance.
- Ability to quickly interpret and respond to real‑time dataflow challenges across complex mission systems.
- Strong knowledge of TCP/IP, routing concepts, IP addressing, subnetting, and protocol analysis.
- Experienced in troubleshooting LAN, WAN, firewall, and network tap environments.
- Proficiency with standard networking tools such as BERTS, iPerf, and Wireshark.
- Working knowledge of Microsoft Office tools including Word, Excel, PowerPoint, and Visio.
- Excellent verbal and written communication skills.
- Strong understanding of telephony/VoIP systems and communication infrastructure.
- Proven experience delivering Tier 3 support in complex technical or mission‑critical environments.
- Demonstrated capability to train, mentor, and develop technical personnel.
Preferred Qualifications
- Bachelor’s or Master’s degree in IT, Telecommunications, Engineering, or a related discipline.
- Experience working in government, aerospace, or NASA‑specific environments.
- Industry certifications such as Juniper, Cisco CCNA/CCNP, or equivalent.
- Familiarity with mission support operations and high‑stakes, real‑time communication environments.
- Experience contributing to system architecture, modernization initiatives, or technology refresh cycles.
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:May 7, 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.
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.
Skills Required
- Associate's degree in Information Technology, Telecommunications, or a related field, or equivalent experience
- Minimum of 6 years of professional experience in networking with an emphasis on Juniper and Cisco systems
- U.S. Citizenship with the ability to obtain a Public Trust clearance
- Strong knowledge of TCP/IP, routing concepts, IP addressing, subnetting, and protocol analysis
- Experienced in troubleshooting LAN, WAN, firewall, and network tap environments
- Proficiency with standard networking tools such as BERTS, iPerf, and Wireshark
- Working knowledge of Microsoft Office tools including Word, Excel, PowerPoint, and Visio
- Excellent verbal and written communication skills
- Strong understanding of telephony/VoIP systems and communication infrastructure
- Proven experience delivering Tier 3 support in complex technical or mission-critical environments
- Demonstrated capability to train, mentor, and develop technical personnel
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
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