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Systems Administrator – Senior

Job in Aberdeen, Harford County, Maryland, 21001, USA
Listing for: Caelum Research Corporation
Full Time position
Listed on 2025-12-22
Job specializations:
  • IT/Tech
    Systems Administrator, IT Support, Cybersecurity, Cloud Computing
Salary/Wage Range or Industry Benchmark: 100000 - 130000 USD Yearly USD 100000.00 130000.00 YEAR
Job Description & How to Apply Below

POSITION:Systems Administrator IV

LOCATION
:
Aberdeen Proving Ground, MD

SCOPE:Serves as a Systems Administrator on a major IT support contract for the Army Test and Evaluation Command (ATEC) at the Aberdeen Test Center (ATC).

RESPONSIBILITIES:

  • Performs Windows Server systems administration including troubleshooting, monitoring, and support;
  • Windows event and performance monitoring; and management of hosted systems software platforms.
  • Resolves basic and intermediate issues associated with system configuration management, resource sharing and basic networking troubleshooting and problem identification.
  • Resolves security issues including identity management, records retention, and implements destruction policies.
  • Uses and write operating system commands and scripts, manages disk configurations, maintains hardware and software RAID 1-N, performs migration, backup and recovery using scripting languages, such as Bash, Power Shell, Python, Ruby, and/or Perl.
  • May support performance tuning, capacity planning and bottleneck resolution, administration of Microsoft Servers, building and maintaining high-availability, clustered and scalable systems, and load balancing.
  • Manages production environments using automated install, automated build and deployment, automated configuration management, enterprise monitoring systems, server virtualization, load balancing, web servers, and application servers.

QUALIFICATIONS:

  • Bachelor’s Degree and 10 years’ experience; experience which may include education/specialized training/certifications may be substituted for education.
  • Experience in VMWare systems administration including troubleshooting and monitoring
  • Experience in resolving complex issues associated with configuration management. resource sharing and basic networking troubleshooting and problem identification.
  • Experience in resolving security issues, identity management, records retention, and adhering to destruction policies
  • Experience using and writing operating system commands and scripts, and scripting languages, including one or more of Bash, Powershell, Python, Ruby, and/or Perl.
  • Experience with performance tuning, capacity planning and bottleneck resolution, administration of Microsoft Servers, building and maintaining high-availability, clustered and scalable systems, advanced web technologies such as ASP.NET, pipeline, load balancing, etc.; managing production environments using automated install, automated build and deployment, automated configuration management, enterprise monitoring systems, server virtualization, load balancing, web servers, and application servers
  • Experience managing or working with Windows Server and Linux Operating systems and associated configuration tools is desirable.
  • Experience and/or working knowledge of Kubernetes is highly desirable.
  • Relevant education or certification must be in an IT discipline related to the assigned program area (e.g Computer Science, Information Systems, Computer or Software Engineering, Management Information Systems, Computer Forensics/Security, etc.).
  • Must possess current Security+ (or equivalent DOD Directive 8570.1 IAT II)

SECURITY CLEARANCE:DoD Secret Clearance

Job Type: Full-time

Salary: $100,000 – $130,000 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Employee assistance program
  • Employee discount
  • Flexible schedule
  • Flexible spending account
  • Health insurance
  • Life insurance
  • Paid time off
  • Parental leave
  • Professional development assistance
  • Referral program
  • Tuition reimbursement
  • Vision insurance

Work Location:

In person

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Position Requirements
10+ Years work experience
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