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Caelum Research Corporation

Systems Administrator with Security Clearance

Caelum Research Corporation, Aberdeen Proving Ground, Maryland, United States

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SCOPE: Serves as a Systems Administrator on a major IT support contract for the Army Test and Evaluation Command (ATEC) Information Systems Directorate (G6) 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, PowerShell, 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 7 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 desirable. • Experience/exposure to managing and maintaining the cloud infrastructure services and servers (e.g., Azure) is desirable • 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