Systems Administrator​/Helpdesk Engineer

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.

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.

• 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, Power Shell, 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

• 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 Gov Cloud, 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, Power Shell, 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.

• Experience supporting an Intelligence Community customer or GEOINT missions.
• Familiarity with Dev Ops 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

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