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System Administrator

Reflexive Concepts
  • Annapolis Junction, Maryland
    30+ 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.

    Numbers & Facts

    LocationAnnapolis Junction, Maryland
    Websitehttp://www.reflexiveconcepts.com

    Skills

    • Amazon Web Services (AWS)unmatched
    • Ansibleunmatched
    • Automationunmatched
    • Bash Scriptingunmatched
    • Cloud Applicationsunmatched
    • Cloud Computingunmatched
    • Computer Securityunmatched
    • Configuration Managementunmatched
    • Continuous Deployment/Deliveryunmatched
    • Continuous Integrationunmatched
    • DevOpsunmatched
    • DoD Directive 8140unmatched
    • DoD Directive 8570unmatched
    • Dockerunmatched
    • Documentation Standardsunmatched
    • Elasticsearchunmatched
    • Enterprise Applicationsunmatched
    • Full Scope Polygraphunmatched
    • Hardware Administrationunmatched
    • Help Deskunmatched
    • Hybrid Cloudunmatched
    • IAT - Information Assurance Technicalunmatched
    • Identify Issuesunmatched
    • Information Technology & Information Systemsunmatched
    • Jenkinsunmatched
    • Linux Operating Systemunmatched
    • Management of Information Systems/Technology (MIS)unmatched
    • Microsoft Windows Operating Systemunmatched
    • Microsoft Windows System Administrationunmatched
    • Operational Auditunmatched
    • Operational Strategyunmatched
    • Operations Security (OPSEC)unmatched
    • Performance Tuning/Optimizationunmatched
    • Problem Solving Skillsunmatched
    • Reliability Engineeringunmatched
    • Scripting (Scripting Languages)unmatched
    • Security Analysisunmatched
    • Security Clearanceunmatched
    • Security Complianceunmatched
    • Security Patchesunmatched
    • Sensitive Compartmented Information (SCI)unmatched
    • Software Installationunmatched
    • Software Patchesunmatched
    • Standard Operating Procedures (SOP)unmatched
    • System Architectureunmatched
    • Systems Administration/Managementunmatched
    • Systems Analysisunmatched
    • Technical Writingunmatched
    • Testingunmatched
    • Top Secret Clearanceunmatched
    • Unix Operating Systemsunmatched
    • Windows PowerShellunmatched

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