Sr Linux / Windows Systems Administrator

Linthicum Heights, Maryland

Advanced Software Design
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F-22, Keystone, Triton Programs Sr. Linux/Windows Systems Administrator to join its Classified Solutions team in Linthicum, MD. As a member of the classified solutions, IT you'll work in a fast-paced team environment alongside engineers and program managers to help support and make our technologies a reality. This position will serve on-site at our Linthicum, MD campus; this is not a remote work opportunity. Responsibilities:

• Perform as a Linux/Redhat Systems Administrator for a classified government contract.

• Perform as a Windows Systems Administrator for a classified government contract.

• Maintain smooth operations of all computer infrastructure in a multi-user computer system environment, including coordination of efforts with systems, software, and electrical design engineers, Information Systems Security Officers, PC desktop technicians, end users, network engineers, program/project managers, 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 data storage devices, and implement/upgrade/update virus and malware protection on a routine basis.

• Create and maintain user and computer accounts and modify file permissions and security access lists.

• Test new releases of products to ensure compatibility and minimize user impact.

• Develop and document technical processes and procedures as needed.

• Make recommendations to purchase 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.

• Deploy new STIGs & work with IT/IA to develop POA&Ms for vulnerabilities that cannot be mitigated or STIG settings that cannot be applied.

• Understand vulnerability and risk mitigation in accordance with RMF & DoD JSIG standards.

• Maintain security audit and logging information on all classified networked and standalone computers as directed by Information Systems Security Officers (ISSOs) and Information Systems Security Managers (ISSMs).

• Prepare security documentation for input to Computer Security.

• Report 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 for Principal Linux/Windows Systems Administrator:

• Master's degree with 3 years of experience, or a Bachelor's degree with 5 years of experience, or an Associate's Degree with 7 years of experience; a High School Diploma or equivalent with 9 years of experience may be considered in lieu of a completed degree.

• Current DoD 8570 IAT Level II (or higher) certification (example: Security+ CE); maintaining the required certification will be a condition of continued employment.

• Experience managing Red Hat Enterprise Linux OS in a classified environment.

• Experience managing Windows Server OS and domain architecture in a classified environment.

• Familiarity with DoD STIGs, deploying new STIGs, and working with IT and Information Assurance Analysts to develop POA&Ms for vulnerabilities that cannot be mitigated, or STIG settings that cannot be applied.

• Current DoD Secret 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 (CE) Program, in order to be considered; the required security clearance must be maintained as a condition of continued employment.

• Candidates must have the ability to obtain and maintain access to Special Programs within 9 months of their hire date; program and/or customer requirements may expedite this timeline, and maintaining a SAP/SAR clearance will be a condition of continued employment. Basic Qualifications for Principal Linux/Windows Systems Administrator:
• Bachelor's or a Master's degree in Information Technology, a Security+ CE, a Linux+ or RHCSA certification, an MCSE or similar Microsoft certification, and 5+ years of Linux, Windows, and VMWare server administration experience in a JSIG classified environment.

• Experience with Solaris OS.

• 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.

• Understanding of networking, including subnets, routing, and VLANs; Cisco experience and/or certification.

• Experience with Windows AD, LDAP, VMWare, and knowledge of SAN storage systems.

• Experience with Windows & Linux Operating systems that support Security Engineering tools.

• Knowledge of environmental monitoring tools (HBSS/Solar Winds/Splunk).

• VMWare experience with current version.

• Rudimentary Scripting experience.

• Experience with the creation and deployment of system images in an enterprise environment.

• Experience with Certification & Accreditation process.

• DoD 8570 Certification in a primary OS (Windows, Linux, Cisco).

• Active DoD Top Secret security clearance.
Date Posted: 29 April 2025
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