Senior Systems Administrator
$110,000–$166,000 year
On-siteGaithersburg, Maryland, United States
Job Summary
Administer, secure, and optimize enterprise Windows and Linux environments supporting development, test, integration, and production systems. Monitor system health, performance, capacity, and availability while troubleshooting hardware, software, networking, and storage issues to minimize downtime. Install, configure, patch, and upgrade operating systems and enterprise applications, implementing infrastructure changes through established configuration management and change control processes. Collaborate with DevSecOps engineers to automate tasks using scripting and Infrastructure as Code tools, manage Active Directory, DNS, DHCP, and identity services, and maintain compliance with IC cybersecurity requirements, RMF controls, and STIGs. Provide Tier III operational support and participate in after-hours maintenance windows. Join a growing team of IT engineering professionals actively developing technology for the Intelligence community.
Required Qualifications
- Active TS clearance (with SCI Eligibility)
- eligibility to obtain CI Poly
- CompTIA Security+ certification
- DoD IAT Level II certification
- Red Hat Certified System Administrator (RHCSA)
- ITIL 4 Foundation
- Bachelor's degree in Computer Science, Engineering, Information Technology or related field
- 8-12 years of prior relevant experience
- Master's with 6-10 years of prior relevant experience
- 8+ years of systems administration experience supporting enterprise environments
- Windows Server administration
- Red Hat Enterprise Linux (RHEL) administration
- VMware vSphere administration
- Active Directory administration
- DNS/DHCP administration
- Group Policy administration
- scripting using PowerShell, Bash, or Python
- storage technologies knowledge
- backup solutions knowledge
- disaster recovery knowledge
- DISA STIGs application
- RMF security controls application
- configuration management tools experience (Ansible, Puppet, or Chef)
- Git usage
- CI/CD pipeline support
- analytical skills
- troubleshooting skills
- communication skills
- customer service orientation
- written communication skills
- verbal communication skills
- prioritization in a dynamic Agile environment
- self-motivation
- attention to detail
- collaborative mindset with cross-functional technical teams
- commitment to continuous process improvement and automation
- Tier III operational support
- after-hours maintenance windows availability
Desired Qualifications
- Experience supporting cloud technologies such as AWS GovCloud, Azure Government, or C2S
- Experience with Kubernetes and container platforms
- Familiarity with Docker and OpenShift
- Infrastructure as Code (Terraform, CloudFormation, or Ansible) experience
- Elastic Stack knowledge
- Splunk knowledge
- Grafana knowledge
- Prometheus knowledge
- DevSecOps environments support
- Zero Trust architecture principles understanding
- SAN/NAS administration experience
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.