TEKsystems
Overview
Northrop Grumman Mission Systems is seeking a well-qualified Windows Systems Administrator to join its Classified Solutions team in Linthicum, MD. The role supports a classified government contract and requires the selected candidate to work on-site full‑time at the Linthicum campus; remote work is not an option.
Responsibilities
Primary Windows/VMware systems administrator for a classified government contract.
Maintain smooth operation of multi‑user computer systems and coordinate with network, software, and system engineers, PC desktop technicians, project managers, end users, and IT management.
Analyze internal and external customer requirements and determine equipment and software solutions.
Recommend and implement system enhancements to improve performance and reliability, including installing, upgrading, patching, monitoring, 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.
Test new releases of products to ensure compatibility and minimize user impact.
Develop and document technical processes and procedures as needed.
Make recommendations for purchasing hardware, software, and system components.
Interact with vendors, 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 project status as required for all recurring and non‑recurring efforts.
Understand vulnerability and risk mitigation in accordance with RMF DoD JSIG standards.
Work under minimal direction and independently determine and develop approach to solutions.
Basic Qualifications
Associate’s degree with 7 years of relevant experience or Bachelors degree with 5 years of relevant experience or Master’s degree with 3 years of relevant experience. High School diploma or equivalent with 9 years of relevant experience may be considered in lieu of a completed degree.
Current DoD Secret level security clearance at a minimum, including a closed investigation completed within the last 6 years or enrollment in the DoD Continuous Evaluation Program (CEP). The required security clearance must be maintained as a condition of continued employment.
Special Access Program (SAP/SAR) clearance as a condition of continued employment.
Valid Security CE CASP CISSP or similar DoD 8570 security certification, or ability to obtain certification within 6 months of hire. Maintaining the required certification is a condition of continued employment.
Ability to support multiple networks, ensure necessary system administration tasks are completed independently with minimal supervision, and work as part of a team environment with other IT/technical professionals.
Experience managing Windows Server OS and domain architecture in a classified environment, including working knowledge of Active Directory, Group Policy, DNS management, DHCP scopes, WSUS/SCCM, and basic subnetting.
Familiarity with Splunk Query Language and an ability to deploy new Splunk servers.
Familiarity with DoD STIGs deploying new STIG settings and working with IT/IA to develop POAMs for vulnerabilities that cannot be mitigated or STIG settings that cannot be applied.
Ability to lift equipment weighing up to 40 pounds.
Ability to work after hours and weekends as needed.
Travel may be required.
Preferred Qualifications
Bachelors or Master’s degree in an IS related field.
Top Secret Clearance.
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 basic networking including subnets, routing, and VLANs, Cisco experience and/or certification.
Windows AD, LDAP, VMWare and knowledge of SAN storage systems.
Linux Operating System experience and/or certification for current versions.
VMware experience with current version.
Rudimentary Scripting experience.
Experience with Splunk to include managing/maintaining indexers, search heads, and deployment servers, creating and maintaining dashboards for users and creating custom extracts/regular expressions.
Ability to communicate effectively at all levels of the organization with internal and external customers in written and verbal format.
Experience giving technical presentations to technical and non‑technical audiences.
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.
Benefits
Medical, dental & vision.
Critical Illness, Accident, and Hospital.
401(k) Retirement Plan – Pre‑tax and Roth post‑tax contributions available.
Life Insurance (Voluntary Life & AD&D for the employee and dependents).
Short‑term and long‑term disability.
Health Spending Account (HSA).
Transportation benefits.
Employee Assistance Program.
Time Off/Leave (PTO, vacation or sick leave).
Pay & Benefits Pay range: $40.00 – $40.00 per hour.
Location & Work Type Contract position based out of Baltimore, MD. Fully onsite position.
Application Deadline This position is anticipated to close on Nov 8, 2025.
Equal Opportunity Statement The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information, or any characteristic protected by law.
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Responsibilities
Primary Windows/VMware systems administrator for a classified government contract.
Maintain smooth operation of multi‑user computer systems and coordinate with network, software, and system engineers, PC desktop technicians, project managers, end users, and IT management.
Analyze internal and external customer requirements and determine equipment and software solutions.
Recommend and implement system enhancements to improve performance and reliability, including installing, upgrading, patching, monitoring, 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.
Test new releases of products to ensure compatibility and minimize user impact.
Develop and document technical processes and procedures as needed.
Make recommendations for purchasing hardware, software, and system components.
Interact with vendors, 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 project status as required for all recurring and non‑recurring efforts.
Understand vulnerability and risk mitigation in accordance with RMF DoD JSIG standards.
Work under minimal direction and independently determine and develop approach to solutions.
Basic Qualifications
Associate’s degree with 7 years of relevant experience or Bachelors degree with 5 years of relevant experience or Master’s degree with 3 years of relevant experience. High School diploma or equivalent with 9 years of relevant experience may be considered in lieu of a completed degree.
Current DoD Secret level security clearance at a minimum, including a closed investigation completed within the last 6 years or enrollment in the DoD Continuous Evaluation Program (CEP). The required security clearance must be maintained as a condition of continued employment.
Special Access Program (SAP/SAR) clearance as a condition of continued employment.
Valid Security CE CASP CISSP or similar DoD 8570 security certification, or ability to obtain certification within 6 months of hire. Maintaining the required certification is a condition of continued employment.
Ability to support multiple networks, ensure necessary system administration tasks are completed independently with minimal supervision, and work as part of a team environment with other IT/technical professionals.
Experience managing Windows Server OS and domain architecture in a classified environment, including working knowledge of Active Directory, Group Policy, DNS management, DHCP scopes, WSUS/SCCM, and basic subnetting.
Familiarity with Splunk Query Language and an ability to deploy new Splunk servers.
Familiarity with DoD STIGs deploying new STIG settings and working with IT/IA to develop POAMs for vulnerabilities that cannot be mitigated or STIG settings that cannot be applied.
Ability to lift equipment weighing up to 40 pounds.
Ability to work after hours and weekends as needed.
Travel may be required.
Preferred Qualifications
Bachelors or Master’s degree in an IS related field.
Top Secret Clearance.
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 basic networking including subnets, routing, and VLANs, Cisco experience and/or certification.
Windows AD, LDAP, VMWare and knowledge of SAN storage systems.
Linux Operating System experience and/or certification for current versions.
VMware experience with current version.
Rudimentary Scripting experience.
Experience with Splunk to include managing/maintaining indexers, search heads, and deployment servers, creating and maintaining dashboards for users and creating custom extracts/regular expressions.
Ability to communicate effectively at all levels of the organization with internal and external customers in written and verbal format.
Experience giving technical presentations to technical and non‑technical audiences.
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.
Benefits
Medical, dental & vision.
Critical Illness, Accident, and Hospital.
401(k) Retirement Plan – Pre‑tax and Roth post‑tax contributions available.
Life Insurance (Voluntary Life & AD&D for the employee and dependents).
Short‑term and long‑term disability.
Health Spending Account (HSA).
Transportation benefits.
Employee Assistance Program.
Time Off/Leave (PTO, vacation or sick leave).
Pay & Benefits Pay range: $40.00 – $40.00 per hour.
Location & Work Type Contract position based out of Baltimore, MD. Fully onsite position.
Application Deadline This position is anticipated to close on Nov 8, 2025.
Equal Opportunity Statement The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information, or any characteristic protected by law.
#J-18808-Ljbffr