Active Directory System Administrator

Unleash Your Potential

Leidos is seeking a System Administrator to partner on a large enterprise IT contract for the DOD. The System Administrator will be responsible for maintaining existing enterprise identity management solutions, troubleshoot incidents, and assist with transitioning new capabilities from the engineering team to production. Duties will include validating the health and status, operations, and maintenance of identity management systems such as Active Directory, Azure Active Directory, Azure Active Directory Connect (AADC), Active Directory Federation Services (ADFS), ADFS Web Application Proxy (WAP), Quest Active Roles Server (ARS), Microsoft Identity Manager (MIM), Forefront Identity Manager (FIM), LDAP Border Directory Systems (AD Lightweight Directory Services, Radiant Logic, VDS etc.). This individual will work in a team environment maintaining a large enterprise spanning multiple enclaves and sites. 

Why Leidos?

• Leidos Life promotes excellent work-life balance.  You can make an impact and have time for your well-being.
• Leidos offers many opportunities for career development and advancement.
• Learn more about the benefits we offer: https://www.leidos.com/careers/pay-benefits.

Primary Tasks

• Individuals in this role may be required to remotely log into the end users' endpoint (desktops and/or servers) in order to perform technical configuration, rebooting, and other remedial actions to assist with troubleshooting authentication anomalies.
• Provide support for implementing, troubleshooting and maintaining of identity management systems.
• Rapidly distinguish isolated user problems from enterprise-wide application/system problems and provide recommended solutions.
• Coordinate with stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.
• Build and deploy Domain Controllers and other identity management servers through remote means at customer sites utilizing approved installation procedures.
• Provide Follow-up reports (technical findings, feedback, resolution steps taken) for root cause analysis, engineering technical assessment and process improvement initiatives. 
• Mentor junior team members.
• Update operations and maintenance documentation for 24/7/365 enterprise watch personnel.  
• Support operations across multiple geographic locations and network classifications.
• Work with Operations, Engineering, and vendor support to develop solutions to complex technical issues.
• Work independently as part of a virtual team.

Successful candidates must possess the following skills: 

• Experience with PowerShell commands and scripting/automation
• Experience or functional knowledge with Identity Management technologies including the following:
• Microsoft Identity Manager (MIM)
• Forefront Identity Manager (FIM)
• Azure Active Directory Connect (AADC)
• Active Directory Federation Service (ADFS)
• ADFS Web Application Proxy (WAP)
• Quest Active Roles Server (ARS)
• LDAP Border Directory Systems
• Active Directory Lightweight Directory Services
• Radiant Logic
• VDS 
• OAUTH/SAML
• Secure Token Authentication Services/PKI Integration
• Experience with Quest ARS PowerShell extensions and implementing ARS task automation
• Experience with Tier 2/Tier 3 system administration
• Experience interacting with customers during the course of troubleshooting incidents and system anomalies
• Experience troubleshooting issues in a growing environment
• Experience with log reviews, incident analysis, and identification of issue trends
• Experience with server patch management methodologies 
• Experience mentoring and training junior personnel
• Time management skills
• Strong oral and written communications skills
• Track record of working effectively within a virtual team, and support to peers toward improved processes and results
• Ability to work independently
• Experience with support ticket management systems 

Education/Training

• Bachelor's degree with 6 years of relevant experience, Master’s degree with 4 years, Associate’s with 8 years of related experience or High School Diploma with 10 years of related experience can be used in lieu of Bachelor’s degree.

Certification

• Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher) 

Clearance

• TS/SCI with Polygraph required for Position OR TS/SCI and willingness to obtain and maintain a polygraph.
• US citizenship is required due to the nature of the government contracts we support.

Preferred Qualifications

• Knowledge of integrating Exchange and Active Directory 
• ITIL Foundations Certification
• Microsoft or other commercial Identity Management certifications (i.e., Identity and Access Administrator Associate, Azure Administrator Associate, Quest Active Roles Administration, or Quest Active Roles Implementation and Configuration)

ISEO

Original Posting:April 18, 2025

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 $72,150.00 - $130,425.00

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.