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Reflexive Concepts is seeking a skilled System Administrator to join our team!
Duties and Responsibilities:
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.
- 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.
- AWS
- Ansible
- Docker
- ElasticSearch
- Terraform
- Jenkins
- Linux
- Windows
- GitLab
- 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.