Sr. IdM Platform/*nix Platform Administrator

Description

Leidos is seeking a qualified Sr. IdM Platform/*nix Platform Administrator to join our Defense Enclave Services (DES) team at Ft. Meade, MD.

POSITION SUMMARY:
Leidos has an exciting opportunity for a Senior Cybersecurity Operations professional in our Cybersecurity Solutions and Services Practice. In this role you will provide security infrastructure operations support and interfacing across the program. This support includes, but is not limited to, Identity management cybersecurity solutions and related technologies. The successful candidate for this position is a highly motivated individual, with a strong IT security background who excels integrating, operating, and deploying security technology and solutions and interacts well with both internal teams and clients.

CLEARANCE REQUIREMENT:
*Must hold an active Secret security clearance. (US Citizenship required)

PRIMARY RESPONSIBILITIES:

• Operate and maintain integration and implementation of Identity Management, Access Control Systems/Solutions, support Compliance Monitoring and Remediation, and implement Multi-Factor Authentication (MFA) and/or single sign-on (SSO) solutions as required in addition to other possible cybersecurity and/or cyber operations tools and solutions IAW DoDI 8520.02, DoDI 8520.03, and other applicable policies and regulations.
• Operate and maintain security solutions and related technologies for clients.
• Administering Linux (Solaris) based operating systems.
• Administering Oracle Unified Directory (OUD)
• Interface with information assurance personnel and support cybersecurity efforts across the program.
• Support Authorizing Official (AO) actions by providing supporting documents and artifacts for various security tools in accordance with RMF as defined in NIST 800-37 revision 2 and related agency specific RMF requirements.
• Provide input into an Audit and Accountability Plan containing methods, procedures, and planned reviews for the continuing accreditation and authorization against AU (Audit and Accountability) family controls per NIST SP 800-53 guidance.
• Provide input to and guide implementation and/or verification and validation of an organizational access control policy and plan reflecting various cybersecurity solutions in compliance with risk-levels defined in the National Institute of Standards and Technology (NIST) 800-53, rev 4, Access Control family of controls to include auditing annually, at a minimum.
• Operate integrated solutions and refine operational processes and procedures for evaluating, monitoring, remediating, and/or documenting information system security vulnerabilities and/or security incidents.
• Review and recommend updates to existing security tools, policies, and/or procedures.

BASIC QUALIFICATIONS:

• Bachelor's degree and 8+ years of experience; additional years of directly applicable experience may be accepted in lieu of a degree.
• Must have a DoD IAT Level II certification at start date (e.g. Sec+)
• Experience operating and maintaining a variety of security tools functioning to support a strong cybersecurity posture and deliver cybersecurity related services, including developing and maintaining all related documentation and artifacts, with a focus in IAM/IDM tools.
• Analytical ability, problem-solving skills, and ability to break down complex problems into actionable steps.
• Experience selecting effective methods, techniques, and evaluation criteria to achieve desired outcomes.
• Understanding of federal cybersecurity guidance.
• Experience with Solaris OS and Oracle Unified Directory

PREFERRED QUALIFICATIONS:

• Cybersecurity tool integration experience..
• IAM/IdM certifications.
• Experience hardening systems and applications.
• Additional certifications demonstrating cybersecurity/technical mastery in other areas, including areas noted in basic qualifications.
• Solaris Administration within a Sailpoint IdM implementation.

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: April 15, 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 $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit

Pay and Benefits

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Commitment to Non-Discrimination

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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