Network Operations Engineer - Sr. Subject Matter Expert

Leidos; Greenbelt (MD); On-site; USD 112,000 - 204,000; Full time

Job summary

Leidos, a leading company in innovative digital modernization solutions, is seeking a Senior Subject Matter Expert for NASA’s Integrated Operations Center. This role demands strong networking capabilities and offers an opportunity to significantly impact communication systems, providing advanced technical support and leadership.

Qualifications

• At least 8 years of experience in networking.
• US Citizen with the ability to obtain a Secret clearance.
• Strong knowledge of telephony systems and communications infrastructure.

Responsibilities

• Act as Tier 3 support, diagnostic and problem resolution.
• Manage networking systems with Juniper and Cisco expertise.
• Train and mentor operators on technical processes.

Skills

TCP/IP technology

Juniper Systems

Cisco Systems

Problem Solving

Communication

Telephony Systems

Networking Troubleshooting

Education

Bachelor’s degree in Information Technology

Tools

Microsoft Office Suite

Wireshark

Job description

Looking for an opportunity to make an impact?

Unleash your potential at Leidos,where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. 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 an 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.

- https://www.leidos.com/capabilities/digital-modernization

We are seeking a talented and energetic candidate to work with the best and brightest employees around the country in creating innovative all-encompassing solutions for our programs. You will work in a fast-paced and diverse environment, enjoy flexible work arrangements, and will have a management team that encourages your career development and growth. In this role, you will gain many intangible skills, such as time and task management, critical thinking and problem solving, the ability to communicate complicated problems in a concise manner, as well as solve complex problems using available tools.

Leidos seeks a Senior Subject Matter Expert (SME) to support NASA’s Integrated Operations Center (NIOC). The SME will serve as a Tier 3 support specialist, providing advanced technical expertise and operational leadership to the NIOC operations floor. This individual will also be critical in networking, telephony, and operator training, ensuring clear and effective communication with NASA leadership.

Key Responsibilities:

• Act as Tier 3 support for NIOC operations, diagnosing and resolving complex technical issues impacting communications systems and networks.

• Oversee and manage networking systems with expertise in Juniper and Cisco technologies.

• Support and maintain telephony infrastructure critical to NASA’s communication systems.

• Train and mentor operators, ensuring proficiency in operational processes and technical systems.

• Collaborate with NASA leadership, providing regular updates, recommendations, and insights to align communication operations with organizational goals.

• Contribute to designing, implementing, and optimizing communication and networking systems to enhance reliability and performance.

• Stay updated on industry best practices and emerging technologies in networking and communications to maintain system excellence.

Basic Qualifications:

• Bachelor’s degree in Information Technology, Telecommunications, or a related field (or equivalent work experience).

• At least 8 years of experience in networking, with a focus on Juniper and Cisco Systems.

• Must be able to grasp a wide range of unique skills, able to think and respond quickly to real-time dataflow problems.

• Advanced knowledge of TCP/IP technology including IP addressing, subnet masking.

• Knowledge of troubleshooting network issues in both a LAN and large WAN environment which includes firewalls and network taps.

• Ability to use standard networking troubleshooting tools, eg. BERTS, iPerf, Wireshark.

• Working knowledge of all tools in the Microsoft Office Suite (including Word, Excel, PowerPoint, and Visio).

• Excellent writing and oral communication skills.

• Strong knowledge of telephony systems and communications infrastructure.

• Proven experience in providing Tier 3 support for complex technical environments.

• Excellent interpersonal and communication skills, with the ability to engage effectively with NASA leadership and cross-functional teams.

• Demonstrated ability to train and mentor personnel in technical and operational domains.

• US Citizen with the ability to obtain a Secret clearance.

Preferred Qualification:

• Experience in a government or aerospace environment, particularly with NASA systems

• Industry certifications in networking, eg. Juniper, Cisco CCNA or CCNP

• Familiarity with operational support procedures for high-stakes mission environments

Original Posting: May 27, 2025

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 $112,450.00 - $203,275.00

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.