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Systems Administrator - Senior Security Clearance

Job in Aberdeen, Harford County, Maryland, 21001, USA
Listing for: Caelum Research Corporation
Full Time position
Listed on 2026-06-19
Job specializations:
  • IT/Tech
    Systems Administrator, IT Support, Cybersecurity, Cloud Computing: Infrastructure & Operations
Job Description & How to Apply Below
Position: Systems Administrator - Senior with Security Clearance
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: $90,000 - $140,000 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
Position Requirements
10+ Years work experience
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