Looking for an opportunity to make an impact?
Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Group employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ 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.
Are you ready for your next career challenge?
The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Network Development Engineer to work in our Arlington, VA office. This is an exciting opportunity to use your experience helping multiple DoD customers develop “bleeding edge” technology protecting our warfighters in the field. Your role will directly support our diverse portfolio of programs through a combination of Network Infrastructure Design & Deployment; Automation & Scripting and Troubleshooting & Analysis. You may be requested to provide Software support to help with integration of the new technologies into existing networked systems.
Must be able to work in our Arlington, VA office.
Primary Responsibilities:
A Network Development Engineer (NDE) designs, builds, and automates large-scale data networks, focusing on scalability, reliability, and performance. You will be asked to use programming (Python, C++) and DevOps tools (Git, Ansible, Terraform) to automate infrastructure deployments, manage configurations, and perform deep troubleshooting, often bridging network operations with software development
Day-to-day life will involve:
Infrastructure Design & Deployment: Assist in the design, build, and scale of complex, high-throughput network infrastructure.
Automation & Scripting: Develop tools and automate manual tasks to improve network efficiency, reliability, and performance.
Troubleshooting & Analysis: Debug and solve complex network issues, performing deep dives into hardware and protocols.
Network Optimization: Monitor and tune network performance, evaluating new technologies to refresh and upgrade existing systems.
Documentation & Collaboration: Partner with system designers and developers to create engineering design documents, policies, and best practices.
Basic Qualifications:
Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: computer engineering, software engineering, test engineering or related field.
Must be a US Citizen.
Must have an active Secret clearance with the ability to obtain TS.
Experience working in a Systems Integration Lab (SIL) environment.
Strong desire to grow and learn new technologies.
Ability to work within a dynamic work environment, ability to handle multiple tasks at once (multi-task).
Networking Knowledge: Familiar with IP networking fundamentals, including TCP/IP, BGP, OSPF, and MPLS.
Programming/Scripting: Experience with Python or Bash.
Experience: 2+ years of experience in network engineering, deployments, or architecture.
Environment: Experience with Linux systems.
Preferred Qualifications
Active TS clearance.
Familiar with Agile Methodologies, preferably SCRUM or Kanban.
Experience with Atlassian tools such as JIRA, Confluence, Bitbucket.
Experience with Network Operating Systems like Junos or Cisco IOS.
Knowledge of network security architecture (firewalls, ACLs).
Experience in a large-scale, corporate enterprise or data center environment.
Experience with network containers in support of CI/CD pipelines.
NKE
ElectronicWarfare
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:April 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
- Bachelor's degree in engineering or related field
- 2+ years of prior relevant experience or a master's degree with at least a year experience
- Must be a US Citizen
- Must have an active Secret clearance with the ability to obtain TS
- Experience working in a Systems Integration Lab (SIL) environment
- Familiar with IP networking fundamentals, including TCP/IP, BGP, OSPF, and MPLS
- Experience with Python or Bash
- 2+ years of experience in network engineering, deployments, or architecture
- Experience with Linux systems
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.
