ArcGIS Systems Engineer Subject Matter Expert

Leidos is seeking a ArcGIS Systems Engineer Subject Matter Expert in Fort Belvoir, VA to support the DTRA Program. As a member of our high-performing team, you will be responsible for maintaining and upgrading enterprise GIS software, services, and web applications. This role includes ensuring the optimal performance of the ArcGIS infrastructure, providing user support, and troubleshooting complex GIS issues. You will collaborate with IT professionals and GIS system users to advance GIS initiatives that help the program meet the evolving needs. We are looking for a forward-thinking professional with these key required skills: ArcGIS Enterprise Administration, Relational Databases (Oracle and/or PostgreSQL, Scripting (Python, PowerShell), Windows Server Administration, Incident/Ticketing System (ServiceNow, Jira). *** Selected candidate must have a current TS/SCI at time of consideration***

Salary Range: $175K-$205K

Primary Responsibilities

• Provide operational support and maintenance for Esri ArcGIS Enterprise environments, including Esri Portal and ArcGIS Server.
• Design and implement solutions for complex technical challenges that affect multiple areas or disciplines.
• Plan, support, implement and document engineering solutions to meet customer requirements autonomously with minimal oversight and direction.
• Will serve as the subject matter expert for deployed solutions, developing skillsets within the operations team to facilitate a complete transition for day to day operations and maintenance, while serving as a Tier 4 escalation point.
• Will provide all documentation for developed solutions, including Technical Implementation Plans (TIPs), Work Instructions, As-Built documents and transition documentation.
• Support the currently deployed Esri product suite as well as all future releases of Esri product lines.
• Upgrade ArcGIS Enterprise systems to the applicable or latest versions.
• Perform ArcGIS software patching for systems.
• Assist the organization with any ArcGIS software requirements and troubleshoot GIS software issues to ensure full functionality.
• Collaborate with various programs to integrate data from other systems of record, supporting customer requirements and advancing GIS initiatives.
• Communicate with internal team members across multiple areas and client team members.
• Ensure all data is secured and accessible only as appropriate, in compliance with agency policies and privacy laws.
• Document and manage all application user guides, work processes, server configurations, enterprise architecture settings, and GIS database connections/accounts.
• Understand and apply the ArcGIS Products Life Cycle.
• Provide technical insight and recommendations to help determine GIS policies, objectives, and potential GIS software purchases.
• Formulate implementation options, conduct research, and convert strategies into actionable plans with defined timetables and deadlines.
• Work with the team to accomplish daily objectives, making a significant impact on operational outcomes or project deliverables.

Basic Qualifications

• Bachelor’s degree and 12+ years of prior relevant experience or Masters with 10+ years of prior relevant experience, additional years of experience may be substituted in lieu of degree.
• 4 years’ combined experience with ArcGIS administration, geospatial data, analysis, maps, services, and applications.
• Advanced level understanding of Microsoft Server in Active Directory environments.
• 3 years of experience with web server management and implementation; troubleshooting of websites, applications, and security implementations.
• 3+ years’ combined experience with SQL and Python.
• Thorough understanding of Windows basic networking services, to include DNS, DHCP, sites and services.
• Successful verification of your 8140 (Previously 8570), IAT Level II (SEC+ or equivalent) prior to your start date with Leidos, as well as ability to maintain certification for duration of assignment to the DTRA I3TS contract.
• Must hold a Top Secret/SCI Clearance.

Factors to help you shine

• Hands-on experience with installation, configuration, maintenance, and updates (including Map Releases) of Esri software such as ArcGIS Server, ArcGIS Desktop, and ArcGIS Pro.
• Experience providing GIS technical support and customer service directly to users.
• Experience creating technical documentation in Confluence, or SharePoint.
• Experience resolving and documenting work on incident tickets in ServiceNow or Jira.
• Solid knowledge of relational databases (Oracle and or PostgreSQL).
• Intermediate experience in automating tasks with scripting languages like Python, or PowerShell.
• Hands-on experience installing/administering/troubleshooting Windows Server 2022.
• Excellent communication and written skills.

Desired Skills

• Preferably hold Esri Technical Certification in ArcGIS Desktop or Enterprise domains.
• Knowledge of REST-based web services and third-party system monitoring tools.
• Basic experience automating configuration management and provisioning (Ansible automation, CloudFormation / Terraform).

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.

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.

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.

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.

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 Range: Pay Range $131,300.00 - $237,350.00