Jobs via Dice
Senior Systems Administrator
Leidos National Security Sector combines technology‑enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Our team focuses on ensuring customers have the right tools, technologies, and tactics to keep pace with an ever‑evolving security landscape and succeed in their pursuit to protect people and critical assets.
The Intelligence Production Solutions Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator. As a senior member of our IT operations team, you will play a key role in managing, securing, and optimizing high‑performance, mission‑critical systems that directly support the customers intelligence and geospatial initiatives.
Primary Responsibilities
Lead system administration for Linux and Windows‑based systems in secure, mission‑critical environments.
Architect and manage complex server, storage, and virtualization infrastructure (VMware, KVM).
Perform OS installation, configuration, hardening, and patching in compliance with DoD STIGs and agency policies.
Monitor and tune system performance, conduct root cause analysis, and resolve complex issues quickly and efficiently.
Support backup/recovery strategies, disaster recovery plans, and continuity of operations.
Oversee and maintain automation scripts and infrastructure as code (Ansible, PowerShell, Bash, etc.).
Maintain system documentation, configuration baselines, and support CM and RM activities.
Lead and support deployment of system enhancements and modernization initiatives for Chinook and Maru programs.
Collaborate with cybersecurity, network engineering, and software development teams to ensure system compliance and performance.
Participate in security audits, incident response, and operational readiness activities.
Basic Qualifications
Bachelor’s degree in Computer Science, Engineering, Information Technology, or related discipline and 8‑12 years of prior relevant experience or Master’s with 6‑10 years of prior relevant experience.
DoD 8570 IAT Level II or III certification (e.g., Security+, CASP+, CISSP).
Experience with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration.
Proficiency 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 IC customer or GEOINT missions.
Familiarity with DevOps tools and pipelines (Git, Jenkins, Docker, etc.).
Experience with cloud platforms (AWS GovCloud, Azure Government) and hybrid cloud environments.
Knowledge of enterprise backup solutions, DNS, DHCP, Active Directory, and PKI.
Clearance Level Required Top Secret with the ability to obtain SCI, as well as a Polygraph.
Locations
Gaithersburg, MD
Alexandria, VA
Chantilly, VA
Aurora, CO
St. Louis, MO
Tucson, AZ
Pay Range: $89,700.00 - $162,150.00
#J-18808-Ljbffr
The Intelligence Production Solutions Division (IPSD), part of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator. As a senior member of our IT operations team, you will play a key role in managing, securing, and optimizing high‑performance, mission‑critical systems that directly support the customers intelligence and geospatial initiatives.
Primary Responsibilities
Lead system administration for Linux and Windows‑based systems in secure, mission‑critical environments.
Architect and manage complex server, storage, and virtualization infrastructure (VMware, KVM).
Perform OS installation, configuration, hardening, and patching in compliance with DoD STIGs and agency policies.
Monitor and tune system performance, conduct root cause analysis, and resolve complex issues quickly and efficiently.
Support backup/recovery strategies, disaster recovery plans, and continuity of operations.
Oversee and maintain automation scripts and infrastructure as code (Ansible, PowerShell, Bash, etc.).
Maintain system documentation, configuration baselines, and support CM and RM activities.
Lead and support deployment of system enhancements and modernization initiatives for Chinook and Maru programs.
Collaborate with cybersecurity, network engineering, and software development teams to ensure system compliance and performance.
Participate in security audits, incident response, and operational readiness activities.
Basic Qualifications
Bachelor’s degree in Computer Science, Engineering, Information Technology, or related discipline and 8‑12 years of prior relevant experience or Master’s with 6‑10 years of prior relevant experience.
DoD 8570 IAT Level II or III certification (e.g., Security+, CASP+, CISSP).
Experience with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration.
Proficiency 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 IC customer or GEOINT missions.
Familiarity with DevOps tools and pipelines (Git, Jenkins, Docker, etc.).
Experience with cloud platforms (AWS GovCloud, Azure Government) and hybrid cloud environments.
Knowledge of enterprise backup solutions, DNS, DHCP, Active Directory, and PKI.
Clearance Level Required Top Secret with the ability to obtain SCI, as well as a Polygraph.
Locations
Gaithersburg, MD
Alexandria, VA
Chantilly, VA
Aurora, CO
St. Louis, MO
Tucson, AZ
Pay Range: $89,700.00 - $162,150.00
#J-18808-Ljbffr