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Senior System Administrator
Senior System Administrator-March 2024
Guantanamo Bay
Mar 28, 2026
About Senior System Administrator

  When you join the Cambridge team, you are part of a skilled and talented global community that is united by a set of core values: commitment, integrity, and perseverance. Join our team and help us confront today’s most threatening and complex obstacles!

  Cambridge International Systems, Inc. has a full-time Senior Systems Administrator opportunity available based in Guantanamo Bay, Cuba. Qualified candidates for this job must possess a current DoD Secret security clearance.

  ROLE RESPONSIBILTIES

  Responsible for systems administration, operations, maintenance, and associated activities of platforms installed throughout the US SOUTHCOM enterprise.

  Provide Tier 3 system administration support for Joint Task Force Guantanamo Bay (JTF-GTMO) operations located at Guantanamo Bay, Cuba in support of the US SOUTHCOM mission.

  Deploy Operating System, baseline software updates, and third-party updates via Microsoft Endpoint Configuration Manager.

  Administer Active Directory: users, groups, objects, forests/trees/domains/child domains, DNS, Group Policy/AGPM, ADFS, AD LDS, etc.

  Administer VMware virtual environments to include ESXi hosts, vCenter appliances, Vsphere, Horizon, VDI, profile unity, and VSANs.

  Responsible for applying security principles, practices, and procedures under the Risk Management Framework (RMF) to maintain compliance with applicable security regulations.

  Download, stage and deploy systems-related security policies and updates to maintain information system compliance with DISA security policies and procedures (STIGs, IAVAs, etc.)

  Creates and maintains detailed system documentation.

  Maintains current knowledge of rapidly changing technology, always on the lookout for new technologies, and works with management to evolve current processes.

  Develop scripts (PowerShell, VBScript, etc.) to perform recurring systems administration tasks, automate installs, gather metrics, etc.

  Troubleshoots highly complex system hardware and software issues.

  Develops training materials for end users on the proper use of hardware and software.

  Develops implementation plans for software installations and upgrades to operating systems and layered software packages.

  Monitors and tunes systems to achieve optimum performance levels.

  Ensures workstation/server data integrity by implementing standard software and hardware solutions.

  Leads efforts to ensure data/media recoverability by following a schedule of system backups and database archive operations.

  Conducts advanced hardware and software audits of workstations and servers to ensure compliance with established standards, policies, and configuration guidelines.

  Support change management activities and resolve Tier 3 hardware and software problems.

  Coordinate with vendor tier 4 support to troubleshoot issues as required.

  Develops advanced technical solutions for the management of networks, software, hardware, configurations, and architectures.

  Required QUALIFICATIONS

  Must possess an active DoD Secret security clearance with the ability to obtain a TS/SCI.

  BA/BS or equivalent with 5+ years of experience or 10+ years of related experience.

  DoD 8570 compliant: IAT Level II or III Baseline Certification.

  Computing Environment (CE) Certificate.

  DESIRED QUALIFICATIONS

  Experience administering enterprise environments, supporting Operations and Maintenance (O&M) of servers (physical and virtual), Operating Systems (Windows, Linux, etc), databases (SQL, Oracle), collaboration tools (SharePoint, Teams, Jabber), virtualization technology, software applications, scripting, SANs, and computer security in an enterprise.

  Experience Windows infrastructure services: DHCP, DNS. Authentication, Active Directory, Group Policy, profile management support services, desktop software provisioning.

  Experience with infrastructure including but not limited to: data center operations, server hardware, operating systems (Windows, Linux), web servers, databases, virtualization (VMware), networking, storage, monitoring, etc.

  Experience with VMware technologies: Vcenter, Vsphere, ESXi, VSAN, Horizon, etc.

  Experience with Liquidware Profile Unity, Dell Wyse Management Suite.

  Microsoft Administrator Certification (MCSA, MCSE, DP-300, AZ-104 etc.).

  VMWare Certifications: o Desktop Management (VCP-DTM)

  Data Center Virtualization (VCP-DCV)

  TRAVEL REQUIREMENTS

  Ability to travel up to 25%.

  In some occasions, overnight travel may be required.

  PHYSICAL ENVIRONMENT AND WORKING CONDITIONS

  Cambridge International Systems complies with Temporary Duty Station (TDY)/Outside Continental United States (OCONUS) vaccination requirements.  If this position requires OCONUS travel (listed above), Vaccine Recommendations by AOR | Health.mil lists applicable current vaccination requirements by location.

  Must be able to work in an office environment, sitting at a desk, looking at a computer for most of the workday.

  Work is physically comfortable; the employee has discretion about sitting, walking, standing, etc.

  May be required to travel short distances to offices/conference rooms and buildings on site. 

  BENEFITS AND PERKS

  Cambridge International Systems is committed to investing in our employees and their future by providing them with competitive compensation, career development opportunities, comfortable working conditions, and a comprehensive benefits package, some of which are listed below:

  Medical, dental, vision, Life/AD&D/STD/LTD insurance

  401(k) matching and immediate vesting

  Paid time off and holidays

  Generous tuition & training assistance program

  Relocation assistance

  Sign-on bonuses

  Referral bonuses

  Performance-based bonuses

  Community involvement & outreach

  Wellness program

  Employee Assistance Program (EAP)

  Tickets at Work

  Refer to a friend

  If you know someone who may be interested, please share this posting.  We are a growing team and there may be more opportunities like this one here at Cambridge International Systems!

  MORE ABOUT US

  At Cambridge, we recognize innovation and agility grow through diverse collaboration. Our team is comprised of unique individuals, and it is our policy to provide equal opportunity in recruiting, hiring, training, and promoting individuals in all job categories without regard to race, color, religion, national origin, gender, age, disability, genetic information, veteran status, sexual orientation, gender identity, or any other protected class or category as may be defined by federal, state, or local laws or regulations. It is our firm intent to support equal employment opportunity and affirmative action in keeping with applicable federal, state, and local laws and regulations.

  If you are a qualified individual with a disability or a disabled veteran requiring assistance with the application process, please visit  https://cbridgeinc.com/accessibility/  for information on how to request assistance.

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