To our valued Leidos candidates:

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With that in mind, in an abundance of caution, we are canceling all face to face career events, such as job fairs and open house events. In the coming days and weeks, we will be hosting career events virtually, using our online chat tools so that we may continue our hiring practice safely and securely. You can find available virtual career events at

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Job #: R-00066790
Location: Reston, VA
Category: Systems Administration
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Potential for Telework: Yes, 100%
Clearance: None
Referral Eligibility: Eligible
Referral Bonus Amount: $2000.00
Group: Corporate

This job posting is no longer active.

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Job Description:

The Authentication Operations team at Leidos currently has an opening for an Authentication Operations Systems Administrator.  The ideal candidate for this position will have 2-4 years' experience as a domain administrator in a multi-domain environment.   The ideal candidate will also have 2-4 years' general experience with Active Directory, Windows Server OS, and Identity Management tools in a multi-domain complex commercial enterprise environment supporting DoD customers.

The candidate will be expected to troubleshoot and resolve issues related to Active Directory, Windows Server OS (including services such as IIS), and will be expected to troubleshoot/diagnose any related server or network problems in a complex environment.   The candidate will also perform tier 3 work within the One Identity software suite, RMAD, CAAD, CyberARk, CPPM, and other software's related to day to day operations of Leidos Identity Management.

The Auth Ops team day to day operations also includes Tier 3 support for account issues and data syncs between systems, making approved modifications to group policy, ADSS, OU structure, groups and/or accounts, and tier 3 support of Safes and Accounts in CyberArk vault system.

 The ideal candidate will possess strong customer service skills, the ability to work through complex technical situations with end users as well as other internal IT support teams, and strong communication skills (both written and verbal).  The ideal candidate must be able to document detailed troubleshooting steps taken to resolve a complex technical problems in written form, and will need to create or update documentation/instructions for others to follow.  The ideal candidate will also be expected to work with 3rd party vendors (Dell, Axiad, Aruba) to resolve larger scale outages in the environment.  Must be able to work independently as well as with a small team.

Please note: Work location for this position will be Telework (or Reston VA; Orlando FL; San Diego CA)

Primary Responsibilities

The Authentication Operations Systems Administrator is responsible for the day to day operations of Leidos Active Directory structure.  This will include support of Windows Server OS and roughly 100 domain controllers.  The Authentication Operations Systems Administrator is also responsible for day to day operations of the IAM systems, and supporting all customer related issues with both AD and IAM systems.

Basic Qualifications

Bachelor's degree in an Information Technology related field and 2+ years of experience related to systems administration. Additional years of relevant experience, professional certifications, and/or training will be considered in lieu of degree.

Strong understanding of Active Directory in a multi-domain environment

Group Policy, ADSS, OU structure design/support, Domain Controller maintenance, Replication, DFS Namespace

LDAP Support for Applications

Tier 3 Account Support

Identity Management Operations

Manage user data and accounts in One Identity Software Suite

Operational support for all tools in the One Identity Suite (ARS, QPM, IDM)

Experience with any Identity Management suite a plus

Strong Windows Server Support

Maintain 100 + Windows Servers supporting Authentication and Identity Management services for 30,000 plus users

Servers are a mixture of Virtual (vSphere) and Hardware

Installing\configuring\troubleshooting backups using RMAD software

Dell Change Auditor support - Creating reports for Audit - Troubleshooting Change Auditor installations on Windows Servers

IIS Troubleshooting

Strong Authentication

Aruba CPPM (Radius/TACACS) Support

MS Threat Mitigation Gateway

Pki Tokens / User Certificates

VPN and Remote Access Technologies operational support

Tier 3 VPN User Access support (F5 experience a plus)

CyberArk Vault

Manage User Accounts and Safes

Tier 3 troubleshooting for user access issues

Strong Network Skills

TCP/IP & Sub netting




Multifactor Authentication



Soft Token Apps


ClearPass Policy Manager (CPPM)

Other Requirements

Working Knowledge of Digital Certificates

Troubleshoot Single Sign On via Active Directory Federation Services (ADFS)

Create / Update technical documentation

Must be able to follow written processes and procedures with minimal supervision

Must be able to complete assigned project work with minimal supervision

Strong Customer Service Skills

Ability to engage multiple teams in troubleshooting efforts

Experience with ServiceNow or similar ITSM tools

US citizen

Desired Skills

PowerShell Scripting

Experience with Change management process

Familiar with NIST 800-171

Experience with any Identity Management suite a plus

Other Notes

24/7 On Call Rotation for support of all Authentication Services is required

Position is Overtime Eligible

First Shift Flexible work schedule M-F

Remote / Telecommute Full Time

Travel less than 5%

External Referral Bonus:


External Referral Bonus $:


Potential for Telework:

Yes, 100%

Clearance Level Required:



Yes, 10% of the time

Scheduled Weekly Hours:




Requisition Category:


Job Family:

Systems Administration

Pay Range:

Pay Range $54,600.00 - $84,000.00 - $113,400.00


COVID Response

Effective October 1, in order to enter Leidos facilities in the US and to attend Leidos business events outside our facilities, employees will be required to be vaccinated for COVID-19 or maintain proof of a negative COVID-19 test within 96 hours of entry.  Effective December 8, all Leidos employees must be fully vaccinated (2 weeks past final dose) unless they are entitled to a legal accommodation. If you are not vaccinated, please consider getting your COVID-19 vaccination as soon as possible. If you have any questions, please contact your Talent Acquisition POC. 

About Leidos

Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $12.30 billion for the fiscal year ended January 1, 2021.  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 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 [email protected].

Commitment to 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.

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