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Sr Systems Administrator - Linthicum MD Security Clearance

Job in Linthicum, Anne Arundel County, Maryland, USA
Listing for: ASD, Inc.
Full Time position
Listed on 2026-03-05
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator, IT Support, Network Security
Job Description & How to Apply Below
Position: Sr Systems Administrator - Linthicum MD with Security Clearance
Sr. Windows Systems Administrator to join its Classified Solutions team in Linthicum, MD. Please note that the selected candidate will be required to work on-site, full-time at our Linthicum, MD campus - this is not a remote work opportunity. Responsibilities will include but not be limited to the following:
• Perform as a Windows/VMware systems administrator.
• Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
• Experience with the creation and deployment of system images in an enterprise environment.
• Design, implement, and manage complex information systems to improve organizational efficiency and align with business goals.
• Design and implement VMware high-availability virtualized infrastructures.
• Maintain compatibility with existing architectures when implementing system enhancements.
• Develop and maintain Microsoft Power Shell scripts and Microsoft Group Policies.
• Maintain smooth operation of multi-user computer systems, including coordination with network, software, and system engineers, PC desktop technicians, project managers, end users, and customer and IT management.
• Analyze internal and external customer requirements and determine equipment and software requirements for solutions to problems by means of automated systems.
• Recommend and implement system enhancements that will improve the performance and reliability of the system including installing, upgrading, patching, monitoring, problem resolution, and configuration management.
• Provide backup and recovery services, manage file systems and disk space, and manage virus protection on a routine basis.
• Create and maintain user and computer accounts and modify file permissions and security access lists.
• Develop and document technical processes and procedures as needed.
• Make recommendations on the purchase of hardware, software, and system components.
• Interact, meet, discuss, and troubleshoot issues with vendors and evaluate vendor products, services, and suggestions.
• Adhere to strict Information Systems security guidelines in all cases.
• Maintain security audit and logging information on all classified networked and standalone computers as directed by the Information Systems Security Manager (ISSM).
• Prepare security documentation for input to Computer Security.
• Report on project status as required for all recurring and non-recurring efforts.
• Work under minimal direction and independently determine and develop approach to solutions.

Basic Qualifications:

• Associate’s degree and 10 years of relevant experience, or Bachelor’s degree and 8 years of relevant experience, or a Master’s degree and 6 years of relevant experience; a High School diploma or equivalent and 12 years of relevant experience may be considered in lieu of a completed degree.
• Candidates must have a current DoD Secret level security clearance (at a minimum), to include a closed investigation date completed within the last 6 years or must be enrolled in the DoD Continuous Evaluation Program (CEP), to be considered; the required security clearance must be maintained as a condition of continued employment.
• Candidate will be required to obtain and maintain a Special Access Program (SAP/SAR) clearance as a condition of continued employment.
• Current Security +CE certification; maintaining the required certification will be a condition of continued employment.
• Experience managing Windows Server OS and domain architecture.
• Ability to support multiple networks, ensure necessary administration tasks are completed, and direct others as necessary.
• Ability to lift equipment weighing up to 40 pounds.
• Ability to work after hours and weekends as needed.

Preferred Qualifications:

• Bachelor’s or Master’s degree in information security related field.
• Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF, STIG, JAFAN, or JSIG information system environments.
• Experience installing, configuring, and maintaining computer hardware in a networked environment.
• Server management experience.
• Understanding basic networking, including subnets, routing, and VLANs;
Cisco experience and/or certification.
• Linux Operating System experience and/or certification for current versions.
• VMWare experience with current version.
• Experience with the creation and deployment of system images in an enterprise environment.
• Experience with Certification & Accreditation process.
• DoD 8140 Certification in a primary OS (Windows, Linux).
• Ability to communicate effectively at all levels of the organization, with internal and external customers ( written and verbal).
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