Systems Engineer SME

Leidos is seeking a Systems Engineer for a technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Systems Engineer will work with a large team of developers, software engineers and data engineers. Primary Responsibilities List daily duties and/or specific job responsibilities. Build outs, testing, maintenance, and monitoring of systems Requirements Decomposition Ensure designs are compatible with the architecture and allocated requirements to segments Address user requirements, procedures, and problems to automate and improve existing systems and review computer system capabilities, workflow, and scheduling limitations Perform functional analysis, timeline analysis, cost estimation, requirements allocation, and interfaced definition studies to translate customer requirements into hardware and software specifications Identify system integrity issues and solutions for the full system life cycles from concept to disposal Integrate systems and services as well as summarize and communicate results Support the development, documentation, and execution of system policies Required Support the ATO / Accreditation effort for customer systems and applications Required Qualifications Active TS/SCI with Polygraph Master's degree and 15+ years of experience. Additional experience in lieu of degree Experience with the Cloud / Amazon Web Services Experience with SQL Agile Methodology / Jira, Confluence; ServiceNow (ESP) Experience with Terraform and/or Cloud Formation DevSecOps Experience with CLSE Experience providing Linux Administration Must be familiar with security accreditation process (Experience with Security Tools and Processes; RMF, NIST, Accreditation Apps (Xacta; GreenLight), System Scanning, Vulnerability Scanning; Plan of Action & Milestone (POAM) tracking Excellent customer support and attention to detail – Tier 3 and Tier 4 level support to team and customer base. Provide Release Management for deployment readiness, coordination and activities (**will require some late-night activities; typically, once a month – 5pm – 9pm) Desired Qualifications Experience with IdAM / ICAM delivery systems, Authentication, Authorization, Attributes Entitlement Management and Digital Policy Management LDAP Experience is a plus Security +, CISSP Amazon Web Services Certificate Experience with BPM/BAW FIP 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: June 29, 2026 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 $154,050.00 - $278,475.00 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 an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit 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 View email address on click.appcast.io. 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.