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60 Absolute System Administrator Jobs Hiring Near You

Cni

System Administrator

Ellsworth, ME · On-site

The System Administrator works under senior technical direction and supports configuration integrity, system availability, and compliance with sustainment and cybersecurity directives. Chickasaw ...

CIBR Force

System Administrator

Chantilly, VA · On-site

$130K/yr

... the integrity and availability of all hardware, server resources, system, and key processes ... Minimum six years of system administrator experience Minimum DOD 8140/DOD 8570 IAT Level I ...

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Infographic showing various System Administrator job openings at Absolute in the United States as of August 2026, with employment types broken down into 28% As Needed, 49% Full Time, and 23% Part Time. Highlights an 97% Physical, and 3% Remote job distribution.

System Administrator

Reflexive Concepts

Annapolis, MD • On-site

Full-time

Posted 9 days ago

Job description

Reflexive Concepts is seeking a skilled System Administrator to join our team!
Duties and Responsibilities:
  • Work on a fast-paced team providing support for the implementation, troubleshooting, and maintenance of Information Technology (IT) systems supporting critical enterprise applications.
  • 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.
  • 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.
  • Support the planning, testing, deployment, and sustainment of infrastructure and application changes across on-premises, hybrid, and cloud-hosted environments, as applicable.
  • Assist in analyzing 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.
Required Qualifications:
  • Active TS/SCI security clearance with Full Scope (FS) Polygraph.
  • A bachelor's degree and ten (10) years of experience as a system administrator on programs of similar scope and complexity are required. In lieu of a bachelor's degree, fifteen (15) years of experience is 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.
  • Must be able to work core hours of 10AM-2PM Monday-Friday. Exceptions will be considered on a case-by-case basis.
Technology Stack:
  • AWS
  • Ansible
  • Docker
  • ElasticSearch
  • Terraform
  • Jenkins
  • Linux
  • Windows
  • GitLab
Desired Skills:
  • 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.

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