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Senior Systems Administrator

Reflexive Concepts

  • Maryland
  • 4 days ago

    Highlights

    Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving. Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.

    Numbers & Facts

    LocationMaryland
    Websitehttp://www.reflexiveconcepts.com

    Description

    Reflexive Concepts is seeking a skilled Senior Systems Administrator to join our team!

    In this role, you will be a collaborative member of a small and mostly autonomous team directly supporting secure enclave development networks. 

    In this role you will:
    • Conduct functional and connectivity testing to ensure continuing operability.
    • Develop and document systems administration standard operating procedures.
    • Maintain baseline system security according to organizational policies.
    • Manage accounts, network rights, and access to systems and equipment.
    • Plan, execute, and verify data redundancy and system recovery procedures.
    • Install, update, and troubleshoot systems and servers.
    • Comply with organization systems administration standard operating procedures.
    • Implement and enforce local network usage policies and procedures.
    • Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.
    • Monitor and maintain system and server configurations.
    • Perform repairs on faulty system and server hardware.
    • Troubleshoot hardware/software interface and interoperability problems.
    Required Qualifications:
    • Education and experience (one of the following):
      • Bachelor's degree in a technical discipline + 15 years' experience as a System Administrator
      • High school diploma + 20 years' experience as a System Administrator
    • Experience with Windows Server Administration, Active Directory, and Group Policy
    • Familiarity with Linux Server Administration
    • VMware/ESXi
    • VMware vCenter
    • Networking Switching and Router Management
    • VMware Virtual Networking
    • Storage Management (NetApp)
    • Hardware and Operating System troubleshooting
    • System hardening
    • Security Compliance Scanning (Nessus, ACAS)
    • Understanding of project design within the scope of security (RMF) requirements
    • Active TS/SCI security clearance with current Full-Scope Polygraph (MPO) (CI within 6 years)
    • Active DoD IAT Level II certification (e.g., CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP)
    • Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving

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