Junior Systems Engineer

Description Job Description:

Leidos has a new and exciting opportunity for a Systems Engineer in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Program SummaryLeidos supports critical missions within the Directorate of Operations and Directorate of Cybersecurity, delivering systems engineering solutions that enable cryptanalysis, foreign intelligence operations, and protection of National Security Systems. Our team explores, designs, and integrates emerging technologies to provide the nation with a decisive advantage over adversaries.

Job SummaryWe're seeking an entry-level Systems Engineer to support the design, integration, and testing of mission-critical systems in a SCIF environment. You'll contribute to requirements analysis, develop technical documentation, and support prototype development while working directly with Government stakeholders on high-priority national security missions.

Primary ResponsibilitiesAssist in developing system requirements, specifications, and Concept of Operations (CONOPs) based on stakeholder engagementSupport functional analysis, interface definition, and development of data-flow diagrams and system design artifactsContribute to integration and testing efforts following NSA Test and Evaluation policies; develop test plans and analyze resultsAssist with configuration management, troubleshooting, and implementation of system changesSupport development of Interface Control Documents (ICDs), XML schemas, and metadata modelsQualificationsBachelor's degree in Engineering (ABET accredited) with no experience, OR Bachelor's degree in Computer Science, Mathematics, or Physics plus 1 year of relevant systems engineering experienceFor non-ABET programs: degree must include differential and integral calculus plus 5 of 18 specified technical areas

•Active TS/SCI/polygraph clearance requiredAbility to work in a SCIF environmentWillingness to travel

CONUS/OCONUS

as mission requiresIf 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:

October 2, 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.