Tier 3 Service Desk System Administrator

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Leidos is seeking a highly skilledTS/SCI Tier 3 Service Desk/System Administrator to join our team supporting the OSINT Integration Center under the DOMEX Technology Platform (DTP) contract. This is an exciting opportunity to contribute to the Department of Defense (DoD) and Intelligence Community (IC) mission to centralize and standardize Tasking Collection Processing Exploitation and Dissemination (TCPED) of Open-Source Intelligence (OSINT). In this role you will leverage your expertise in Linux and Windows systems administration systems maintenance and performance optimization while providing exceptional user support services. You will work in a collaborative fast-paced environment alongside infrastructure engineers network engineers and system engineers to deliver innovative solutions. Work will be conducted on-site at our client location in Bethesda MD during standard business hours with rotational coverage of the service desk as early as 6am or as late as 6pm.

You will work closely with other infrastructure and network engineers and system engineers on the following key tasks:

• Perform Linux (primarily) and Windows builds installations configurations administration and troubleshooting.
• Implement and enforce DISA STIG compliance across systems and networks.
• Develop and maintain server builds for both virtual and physical environments.
• Manage and deploy system integration tools such as Kubernetes Rancher and Helm.
• Develop scripts for patching configuration and automation using Python Bash or PowerShell.
• Utilize configuration management tools like Salt and Ansible for infrastructure automation.
• Administer cloud environments particularly AWS including provisioning monitoring and optimization.
• Provide professional and knowledgeable customer support to maintain excellent client relationships.
• Coordinate with teammates to ensure service desk coverage from 6 AM to 6 PM Monday through Friday.

To be successful in this role you need these skills (required):

• Bachelors Degree with 4-8 years of relevant experience or Masters Degree with 2 years of experience (three additional years of experience may be substituted for the bachelors degree).
• Active Top Secret clearance with eligibility for TS/SCI and Polygraph.
• Expertise in Linux systems administration (RHEL/CentOS Ubuntu).
• Experience with patching (yum/APT repositories) and virtual server builds.
• Familiarity with Agile project management and security requirements derivation.
• Strong scripting skills (Python Bash).
• Excellent verbal and written communication skills.
• Ability to work independently and collaboratively in a team environment.
• Experience working in air-gapped environments.

You will wow us even more if you have some of these skills (preferred):

• Experience with Kubernetes Rancher and IaC tools like AWS CloudFormation.
• Familiarity with CI/CD tools such as ArgoCD Jenkins and GitLab.
• Knowledge of ELK stack (Elasticsearch Logstash Kibana) and *beats.
• Experience with Active Directory in a Linux environment.
• Background in maintaining AI/ML environments and large data storage solutions.

Why Join Leidos

At Leidos we are committed to fostering a culture of innovation collaboration and professional growth. By joining our team you will have the opportunity to work on cutting-edge projects that directly impact national security. We offer competitive compensation comprehensive benefits and a supportive work environment to help you thrive.

If you are ready to take the next step in your career and contribute to a mission-critical program we encourage you to apply today.

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If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

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Pay Range:

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.