Cross Domain System Administrator

Leidos • Full-time • Lorton, VA, US • $92.30k - $166.85k / year • 1w ago

Description

Job Description:

The Digital Modernization Sector at Leidos currently has an opening for a Cross Domain Solutions (CDS) System Administrator supporting the HEITS contract as part of the Department of Homeland Security (DHS) under the Intelligence and Analysis (I&A) component. This is an exciting opportunity to use your System Administration skills to support the DHS Intelligence Enterprise Cross Domain Services (IECDS). The IECDS is the Enterprise Cross Domain Service Provider for the DHS IE. It provides a broad range of Transfer and Access Solutions including multi-level file drop, multi-level email, multi-level database replication, various types of machine-to-machine transfers, automated low to high and high to low transfers.

Primary Responsibilities

Handle escalated inquiries from the Tier 1 Classified Network Coordination Center (CNCC) Help Desk and resolve issues that require advanced problem-solving skills and in-depth knowledge.
Maintain Windows and Linux servers in a virtual environment (including software releases and patches).
Manage the CDS ServiceNow support queue, resolving incidents and fulfilling service requests (e.g., user access, group management, and form adjustments).
Support all CDS maintenance activities to ensure proper functionality and deployment throughout the enterprise.
Maintain and improve Operations & Maintenance (O&M) configuration management templates (in Jira Kanban / Confluence and SharePoint).
Monitor system performance and respond to alerts.
Work under the guidance of a CDS Subject Matter Experts (SMEs) to accomplish time-sensitive projects.

Basic Qualifications

Bachelor’s Degree in a related discipline w/ 8+ years of relevant experience or Master’s Degree w/ 6+ years in a related discipline. Additional experience may be considered in lieu of degree.
Willingness to learn / train to become proficient with Cross Domain Solutions technology.
Experience with Linux (RHEL) and Windows Server configuration, administration, and troubleshooting.
Working in an Agile project management environment.
Ability to work in a team and a self-starter who can work on their own.
Excellent written and oral communication skills.
Active Top Secret government clearance and the ability to obtain DHS EOD SCI.

What sets you apart?

DHS or other government contract experience.
Working knowledge of scripts to support patching, configuration, and other infrastructure team tasking using languages such as Python, Bash, or PowerShell.
Experience working with Cross Domain Solutions.

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:

February 13, 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 $92,300.00 - $166,850.00

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.

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 www.Leidos.com.

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 at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

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.