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Job Details


Senior Active Directory Engineer



Full Time

On Site


Washington, Washington DC, United States



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 Senior Active Directory Engineer provides support, implementation, and design services for Microsoft Active Directory and Windows-based systems across the enterprise, including directory and identity management solutions. Resolves and appropriately completes assigned tasks and change requests and acts as an escalation for support issues. Applies new solutions through research and collaboration with team and determines course of action for new application initiatives. Implements new software solutions as required by the business. The core infrastructure technology duties include enterprise Microsoft Active Directory, ADFS, Microsoft Certificate Services, Azure Authentication, policy configuration, and top-level support for enterprise-wide initiatives.

**This role is approximately 75% telework. The current expectation is for the candidate to report in office (Washington D.C.) 1-2 Days per week. This could change based on business circumstances.

If this sounds like the kind of environment where you can thrive, keep reading!


Leidos Civil Group helps modernize infrastructure, systems, and security. We are a trusted partner to both government and highly-regulated commercial customers looking for transformative solutions in mission IT, security, software, engineering, and operations. We work with our customers including the FAA, DOE, NASA, National Science Foundation, Transportation Security Administration, Custom and Border Protection, airports, and electric utilities to make the world safer, healthier, and more efficient. Our customers take on the toughest challenges out there, and at times need a helping hand from specialists in their fields. To explore and learn more, click [Register to View] !

Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your resume with us today!


  • Enterprise-level support for Active Directory for global initiatives following those through to implementation via collaboration with project and support teams.

  • Identify opportunities to innovate, extend and enhance service delivery everywhere possible.

  • Perform Root Cause Analysis and Problem Management for directory services environment.

  • Serves as escalation point for application support and troubleshooting, provides guidance and direction in resolution of escalated issues and/or complex production, application, or system problems.

  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems, and key processes, reviewing system and application logs, and verifying completion of scheduled jobs.

  • Install, configure, and maintain Active Directory and third-party software utilities for hardware systems within company operational guidelines.

  • Create and maintain system documentation for domain technologies, including installation, configuration, and appropriate troubleshooting steps.

  • Improve existing processes through solutions to recurring problems and enhancements to existing solutions or documentation.

  • Provide training as required.


  • 12 years of experience leading and managing system and server administration services

  • Minimum 7 years of experience in a global information technology infrastructure environment

  • Expert Knowledge of Active Directory architecture and management

  • Expert knowledge in creating, administering, and troubleshooting Group Policies (GPOs)

  • Expert Knowledge of Active Directory Federation Services (ADFS), SAML, SSO

  • Expert Knowledge in PKI, PIV cards, Smart Cards

  • Expert Knowledge Windows Certificates Services Management

  • Expert knowledge in Distributed File System including both DFS-N, and DFS-R

  • Knowledge of Windows Server Operating Systems (2012 R2 to 2022)

  • Knowledge of Azure Active Directory and Azure AD Connect

  • Knowledge of Azure AD Single Sign-on (SSO) federated authentication and enterprise application

  • Ability to develop security standards and controls per DISA STIGS and CISA requirements

  • Knowledge of VMware vSphere and Hyper-V Virtualization

  • Knowledge of Scripting Experience: PowerShell and VBScript

  • Knowledge of Windows Failover Clustering

  • Knowledge of Windows file shares and security administration

  • Knowledge of Windows Failover Clustering


  • Candidate must be a U.S. citizen or green card holder who has resided in the U.S. for at least 3 years and the ability to obtain a public trust clearance


  • Microsoft Windows Server 2016, 2019, or 2022 Administration (MCSE, MCITP certification)

Pay Range:

Pay Range $97,500.00 - $150,000.00 - $202,500.00

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.