Senior Network Tool Engineer

Unleash Your Potential At Leidos, 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 Mission Leidos is seeking a Senior Network Tool Engineer to support the Intelligence Sector. The job duties are as follows: Install, configure, and maintain Cisco Network Services Orchestrator (NSO) solutions and associated network infrastructure components, ensuring high availability, performance, and reliability. Troubleshoot and resolve complex network and service deployment issues, leveraging NSO logs and monitoring tools to perform root cause analysis. Integrate NSO with various network devices, external systems, and APIs using protocols like NETCONF, RESTCONF, and JSON-RPC. Develop and maintain automation scripts using Python, Java, or other relevant languages to streamline operations and enhance efficiency. Perform regular system maintenance, including software upgrades (NED upgrades), patching, security auditing, and configuration backups for network devices. Collaborate with network architects, software developers, and operations teams to define requirements and ensure seamless integration of new solutions. Create and maintain comprehensive technical documentation related to installations, configurations, and network processes. Standard Requirements: Required Clearance: TS/SCI with specific poly. Candidate must have 12 years of experience that can be a combination of work history and education. This equates to a BS degree and 8 – 12 years of prior relevant experience or Masters with 6 – 10 years of prior relevant experience. May possess a Doctorate in technical domain. Required qualifications include the following: Must be compliant with DoD 8140 Information Assurance Technical (IAT) Level 2. Strong knowledge of networking fundamentals and protocols (TCP/IP, BGP, OSPF, MPLS, etc.). Strong working knowledge and experience installing, upgrading, and maintaining software in a Linux (RHEL) environment. Intermediate scripting skills are required (Ex. Python). Effective analytical, problem-solving, and troubleshooting abilities to diagnose and resolve complex technical issues. Solid technical communication skills and the ability to work effectively within cross-functional teams. Preferred Qualifications: Proven experience in network administration or engineering, with hands-on experience in configuring Cisco and/or Juniper routers and switches. Familiarity with YANG data modeling language. Experience with network automation and orchestration tools, specifically Cisco Network Services Orchestrator (NSO). Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.” Original Posting: December 19, 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 $107,900.00 - $195,050.00 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. Leidos Leidos is a Fortune 500® innovation company rapidly addressing the world's most vexing challenges in national security and health. The company's global workforce of 47,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenue of approximately $15.4 billion for the fiscal year ended December 29, 2023. For more information visit www.Leidos.com. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here. Securing Your Data Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to spam.leidos@leidos.com. Commitment and Diversity All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Salary : $107,900 - $195,050