×
Register Here to Apply for Jobs or Post Jobs. X

Systems Administrator, Senior Security Clearance

Job in Ellicott City, Howard County, Maryland, 21042, USA
Listing for: Caelum Research Corporation
Full Time position
Listed on 2026-09-30
Job specializations:
  • IT/Tech
    Systems Administrator, Systems Engineer, Windows Server, IT Support
Salary/Wage Range or Industry Benchmark: 110000 - 130000 USD Yearly USD 110000.00 130000.00 YEAR
Job Description & How to Apply Below
Position: Systems Administrator, Senior with Security Clearance

POSITION:
Systems Administrator – Senior

LOCATION:

Aberdeen Proving Ground, MD SCOPE:

Responsibilities

Serves as a Senior Systems Administrator on a major IT support contract for the Army Test and Evaluation Command (ATEC) Headquarters Information Systems Directorate (G6) RESPONSIBILITIES:

  • Windows Server Active Directory (AD) configuration and administration including policy management
  • Performs Windows Server systems administration including troubleshooting, monitoring, and support.
  • Manages VMware environment, including systems deployment, patching, STIG/hardening and troubleshooting.
  • Windows event and performance monitoring; and management of hosted systems software platforms.
  • Resolves complex issues associated with system configuration management, resource sharing and basic networking troubleshooting and problem identification.
  • Resolves complex security issues including identity management, records retention, and implements destruction policies.
  • Uses and writes 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.
  • Supports 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.
  • Supports storage hardware and environments (i.e. Commvault)
  • Works with CISCO Unified Computing System (UCS)
  • Supports HBSS configuration management and troubleshooting (e.g. McAfee/Trellix)
Qualifications & Experience
  • May lead 5 or more employees
  • Master’s Degree in a directly related field and at least 5 years' experience;
    Lower-level degrees in relevant fields will be considered with additional experience.
  • Must possess a Security+CE (or equivalent DOD Directive 8570.1 IAT II)
  • Must hold at least one (1) current Computing Environment (CE) certification (e.g. MCSE, MCSA, etc.) or be able to obtain one within 6 months of start
  • Five (5) plus years of experience leading five (5) or more employees
  • Expertise in Active Directory (AD) configuration and policy administration
  • Experience in VMWare systems (or VMWare alternatives) 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 complex 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 in TCP/IP, firewalls and routing
  • Experience with performance tuning, capacity planning and bottleneck resolution
  • Experience in resource allocation and utilization for large databases, disk configuration, including the maintenance of hardware and software RAID 1-N
  • Experience in database design, data modeling and query execution, database replication, migration, backup and recovery
  • Experience performance tuning, capacity planning and bottleneck resolution, building and maintaining high-availability, clustered and scalable systems
  • Experience managing a production environment with the following: automated install, automated build and deployment, automated configuration management, enterprise monitoring systems, server virtualization, load balancing, web servers, and application servers,…
Position Requirements
10+ Years work experience
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary