Senior System Administrator 746

We are seeking a Senior System Administrator for one of our PRIME CONTRACTS supporting mission-critical enterprise applications and services across the Government Corporate Management Services (CMS) portfolio. Our mission supports the Government Corporate Management Services (CMS) by providing full life cycle support services through the sustainment, modernization, and transformation of enterprise corporate applications.

As soon as an employee enters a customer facility, they touch one of these applications, which are critical to the daily functions of thousands of users across acquisition, business, finance, HR, training, recruitment, program management, security, logistics, and more. Come join our diverse and growing team with lots of opportunities!

- Work on a fast-paced team providing support for the implementation, troubleshooting, and maintenance of Information Technology (IT) systems supporting critical enterprise applications.

- Provide senior-level technical leadership in the administration, operation, troubleshooting, and maintenance of enterprise IT systems and infrastructure. Serve as a leader and mentor for the system administration team, providing direction, guidance, and oversight while maintaining a strong hands-on role in day-to-day operations and complex technical problem resolution.

- Manage IT system infrastructure and associated processes, ensuring the availability, reliability, security, and performance of enterprise applications and services.

- Provide day-to-day operations, monitoring, maintenance, and problem resolution for client systems, servers, storage platforms, network devices, and related infrastructure.

- Provide Tier 1 (Help Desk) and Tier 2 (Escalation) support, including problem identification, diagnosis, troubleshooting, and resolution. Serve as a senior escalation point for complex technical issues and provide technical direction and guidance to other system administrators.

- Support the escalation process and communicate system status, issues, and resolutions to agency management and internal stakeholders.

- Assist with hardware support activities, dispatch processes, and issue resolution through completion.

- Configure, administer, and maintain Windows and UNIX/Linux operating systems, including software installation, patching, system hardening, and performance tuning.

- Maintain the integrity and availability of infrastructure components while implementing enhancements to improve reliability, scalability, and operational efficiency.

- Collaborate with engineering and development teams to support infrastructure modernization efforts, including evaluating, testing, and implementing technology solutions that enhance system capabilities.

- Participate in the assessment of existing systems and architectures, providing operational and technical input for initiatives involving automation, DevOps practices, cloud technologies, and application modernization.

- Manage the planning, testing, deployment, and sustainment of infrastructure and application changes across on-premises, hybrid and cloud-hosted environments, as applicable.

- Analyze operational, security, compliance, and technical considerations associated with infrastructure changes and technology migrations.

- Develop and maintain technical documentation, standard operating procedures, and system configuration baselines.

- Serve as a technical resource, helping to promote knowledge sharing, consistency, and continuous improvement across the team.

- AWS

- Ansible

- Docker

- BigFix

- ElasticSearch

- Terraform

- Jenkins

- Linux

- Windows

- GitLab

- TS/SCI with Polygraph

- A bachelor's degree and fifteen (15) years of experience as a system administrator on programs of similar scope and complexity is required. In lieu of a bachelor's degree twenty (20) years of experience required.

- In depth Linux experience.

- Familiarity with PowerShell and Bash scripting languages.

- Experience with system hardening.

- Experience working with ISSOs for system compliance.

- DoD 8570 compliance with Information Assurance Technical (IAT) Level I is required.

- Experience developing and updating technical documentation.

- Must be able to work core hours of 10AM-2PM Monday-Friday. Exceptions will be considered on a case-by-case basis.

- Familiarity with cloud platforms such as AWS

- Experience with infrastructure automation, configuration management, or Infrastructure as Code (IaC) tools such as Ansible, Terraform, or AWS CloudFormation.

- Experience supporting DevOps practices, CI/CD pipelines, or automated deployment processes.

- Familiarity with containerization technologies such as Docker or Kubernetes.

- Experience performing vulnerability remediation, security patching, and STIG implementation.

- Experience supporting Authority to Operate (ATO) processes, RMF activities, and security compliance initiatives.

The estimated salary range for this position is between $190,000-$240,000 (annualized USD). This range reflects the typical pay for the role and is one part of the company's comprehensive compensation package. Actual salaries are influenced by several factors, such as location, the individual's education, skills, experience, and competencies, as well as contract affordability and organizational needs.

What's in It for You?

A team mentality - work with friendly, like-minded professionals

Opportunities to grow and advance your career on our dime

Amazing benefits including matching 401k, fully paid medical, and more

Generous paid time off - including paid site closure days

Company sponsored events (game nights, holiday party, summer party, happy hours)

Interested in learning more about Freedom and our culture? Contact us today! We're constantly hosting hiring events in our office and elsewhere, to help you get a sense of what life is like at Freedom before joining the team.

As an Equal Opportunity Employer, we do not discriminate on the basis of race, color, religion, sex, age, marital status, disability or veteran status

Accessibility: If you need an accommodation as part of the employment process, please contact Human Resources at

Equal Opportunity Employer, including disabled and veterans.

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