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Sr. Systems Administrator

Req #: 244338
Location: Hanover, MD US
Job Category: Information Technology
Minimum Clearance Required: TS/SCI with Polygraph

Job Description

CACI’s Business and Information Technology Solutions (BITS) Sector, is seeking a Sr. Systems Administrator to join it’s large, prime program in support of the Intelligence Community.  All staff are fully cleared, and the program provides mission critical Enterprise Application Messaging and Authorization Services worldwide.  The technical staff develops and supports complex data transport, enterprise audit, authorization, information transport, and enterprise application hosting services. 

This program provides opportunities to support highly visible, widely used systems that “make a difference” in this mission critical effort.  You will work with exceptionally talented professionals in a collaborative team environment to develop and maintain tools that are core infrastructure components!

What You’ll Get to Do:
As a Senior System Administrator, you will provide support for development and production environments for a mission critical Identity and Access Management (IdAM) system. Your responsibilities will include working with a team obtaining and configuring Virtual Machines (VMs), loading Operating systems and software, performing security hardening, patching, and monitoring status. This position also will support ISSO and ISSEs in obtaining and maintaining security certification and accreditation. You will be able to apply your knowledge of computer operations, platforms, systems, architectures, functions, and terminology.  Additionally, you may also independently read, write and implement standard operating procedures and technical documentation.

You’ll Bring These Qualifications:

  • Bachelors degree in a technical discipline and 10 years Systems Administration experience.  Additional experience may be substituted for degree.
  • Current TS/SCI Polygraph clearance
  • 2+ years’ experience with PKI authentication services
  • Experience with:
    • Configuration and Maintenance of Virtual Machines
      • VCenter/VMWare
    • Linux and Windows operating systems
      • CentOS, RedHat, Windows 10, Window Server
    • DNS Experience
    • Active Directory (AD)
    • Scripting languages (e.g. Perl, bash, etc.)
    • Ansible Playbooks
    • Jenkins – Continuous Integration /Continuous Delivery (CI/CD)
    • OS and Software application patching (e.g. IAVA, Version updates)
    • AWS Experience
      • VPC, EC2, S3
  • Attention to detail and time management
  • Excellent communications skills
  • Ability to provide afterhours call-in support

These Qualifications Would be Nice to Have:

  • Experience with:
    • IdAM directories (active directory and/or LDAP)
    • Experience with Jira and Confluence
    • Networking/Load Balancing
  • Docker/Kubernetes
  • MongoDB 4.x
  • Strong organizational and time management skills, including the ability to multi-task and work independently and with a team.

What We Can Offer You:

- We’ve been named a Best Place to Work by the Washington Post.

- Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

- We offer competitive benefits and learning and development opportunities.

- We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

- For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.




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CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.

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