Launch Your Next Mission with Leidos!
Do you enjoy solving technical challenges, keeping mission-critical systems running at peak performance, and delivering exceptional customer support? Leidos is seeking a Mid-Level Systems Administrator / Helpdesk Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an exciting opportunity to work on a high-impact program where your technical expertise directly enables national security missions.
As part of a collaborative and innovative team, you'll provide hands-on system administration, end-user support, and infrastructure maintenance while helping ensure our customers have the reliable technology they need to accomplish their mission. If you're passionate about technology, customer service, and continuous learning, we want to hear from you!
Note: Candidate will need to commit to covering the morning shift starting at 6 AM EST or covering the evening shift working until 10 PM EST.
Position may be performed in the following locations below. Please note Gaithersburg, MD is the program’s primary work location.
- Gaithersburg, MD
- Alexandria, VA
- Chantilly, VA
- Englewood, CO
- St. Louis, MO
- Tucson, AZ
Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.
Primary Responsibilities:
- Provide Tier 1 and Tier 2 helpdesk support for users, resolving hardware, software, network, and system-related issues in a timely manner.
- Install, configure, maintain, and troubleshoot Windows and Linux workstations and servers.
- Manage user accounts, permissions, and access controls using Active Directory and related identity management tools.
- Monitor system performance, identify issues proactively, and implement corrective actions to maintain system availability.
- Install software updates, security patches, and operating system upgrades in accordance with program and customer requirements.
- Document incidents, service requests, troubleshooting procedures, and system changes using established ticketing systems.
- Collaborate with systems engineers, cybersecurity personnel, and network administrators to resolve complex technical issues.
- Support system backups, disaster recovery activities, and configuration management processes.
- Assist with workstation deployments, hardware refreshes, asset management, and inventory tracking.
- Participate in on-call support and scheduled maintenance activities as required.
- Oversee and maintain automation scripts and infrastructure as code (Ansible, PowerShell, Bash, etc.).
- Maintain system documentation, configuration baselines, and support CM and RM activities.
- Participate in security audits, incident response, and operational readiness activities.
- Contribute to continuous process improvements that enhance customer experience and operational efficiency
Basic Qualifications:
- US citizenship is required per contract.
- Bachelor’s degree in Computer Science, Engineering, Information Technology, or related discipline and 4-8 years of prior relevant experience or Master’s with 2-6 years of prior relevant experience.
- DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP).
- Experience with cloud platforms (AWS GovCloud, Azure Government) and hybrid cloud environments.
- Experience with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration.
- Experience with virtualization platforms (VMware, KVM) and management tools.
- Experience with automation and scripting (Ansible, Bash, PowerShell, Python).
- Familiarity with STIG compliance, system hardening, ACAS scans, and RMF processes.
- Strong understanding of enterprise networking, identity/access management, and storage concepts.
- Proven ability to troubleshoot, document, and lead systems-related projects independently.
- Experience supporting IC or DoD classified environments.
Preferred Qualifications:
- Experience supporting an Intelligence Community customer or GEOINT missions.
- Familiarity with DevOps tools and pipelines (Git, Jenkins, Docker, etc.).
- Knowledge of enterprise backup solutions, DNS, DHCP, Active Directory, and PKI.
- Strong troubleshooting and root cause analysis abilities.
- Ability to work independently while collaborating effectively across technical teams.
- Strong organizational skills with attention to detail and documentation.
- Adaptability and willingness to learn new technologies in a dynamic environment.
#Chinook
#ASBA
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:August 4, 2026For 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.
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.
Skills Required
- US citizenship required per contract.
- Active Top Secret/SCI clearance with ability to pass a Polygraph.
- Bachelor's degree in Computer Science, Engineering, IT, or related discipline with 4-8 years relevant experience (or Master's with 2-6 years).
- DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP).
- Experience with cloud platforms (AWS GovCloud, Azure Government) and hybrid cloud environments.
- Experience administering Linux (RHEL or CentOS) and Windows Server platforms.
- Experience with virtualization platforms and management (VMware, KVM).
- Experience with automation and scripting (Ansible, Bash, PowerShell, Python).
- Familiarity with STIG compliance, system hardening, ACAS scans, and RMF processes.
- Strong understanding of enterprise networking, identity/access management, and storage concepts.
- Proven ability to troubleshoot, document, and lead systems-related projects independently.
- Experience supporting Intelligence Community or DoD classified environments.
- Participate in on-call support and be available for morning or evening shifts as specified.
- Familiarity with ticketing systems, backups/disaster recovery, configuration management, and asset management.
- Familiarity with DevOps tools and pipelines (Git, Jenkins, Docker) and enterprise services (DNS, DHCP, PKI, backup solutions).
- Experience supporting IC customer or GEOINT missions.
- Strong organizational skills, documentation focus, and adaptability to learn new technologies.
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
