Senior System Administrator — Cloud, DevSecOps & IT

Freedom Technology Solutions Group, LLC; Maryland; On-site; USD 190,000 - 240,000; Full time

Benefits offered by this job

401k match

Full medical coverage

PTO + site closure days

Tuition reimbursement

Referral bonuses

Life and disability insurance

Logo wear allowance

Company events

Job summary

Freedom Technology Solutions Group, LLC in United States (Maryland) seeks a Senior System Administrator to support CMS portfolio enterprise IT systems. You will lead day-to-day operations, coordinate IT infrastructure upgrades, and mentor staff across Windows and UNIX/Linux environments.

Responsibilities include troubleshooting, security hardening, and implementing automation with Ansible and IaC. The role emphasizes compliance with DoD 8570 IAT I and collaboration with ISSOs within a fast-paced

Qualifications

• 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.

Responsibilities

• 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.

Skills

TS/SCI with Polygraph

Linux experience

PowerShell & Bash

System hardening

ISSOs for compliance

DoD 8570 IAT I

Technical documentation

Education

Bachelor's degree or 20+ years experience

Tools

Ansible

Terraform

Docker

BigFix

ElasticSearch

GitLab

AWS

Job description

Freedom Technology Solutions Group, LLC in United States (Maryland) seeks a Senior System Administrator to support CMS portfolio enterprise IT systems. You will lead day-to-day operations, coordinate IT infrastructure upgrades, and mentor staff across Windows and UNIX/Linux environments.

Responsibilities include troubleshooting, security hardening, and implementing automation with Ansible and IaC. The role emphasizes compliance with DoD 8570 IAT I and collaboration with ISSOs within a fast-paced