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Senior Systems Administrator II Generalist; TS​/SCI

Job in Springfield, Fairfax County, Virginia, 22161, USA
Listing for: Mks2, Llc
Full Time position
Listed on 2026-01-12
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator, IT Support, Systems Engineer
Salary/Wage Range or Industry Benchmark: 150000 USD Yearly USD 150000.00 YEAR
Job Description & How to Apply Below
Position: Senior Systems Administrator II Generalist (TS/SCI)

Job Title and Location

Senior System Administrator II Generalist – TOP SECRET WITH SCI CLEARANCE REQUIRED

Springfield, VA – On-site Requirement

Pay: $150,000 W2 negotiable based on experience – NO C2C/Visa

Clearance:
Active TS/SCI

Overview

MKS2 Technologies, LLC, an award‑winning high growth small business, creates innovative and customer‑centric technology solutions in Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well‑being of our clients. Our commitment to excellence and our “Mission First” orientation has resulted in steady growth and an expanding client base across government agencies. Our employees nationwide and for the past three consecutive years were named one of the fastest growing Veteran‑owned companies in the nation.

We are hiring a Senior Systems Administrator II Generalist – active TS/SCI clearance to support our government customer based in Springfield, VA. The position is required to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain and maintain a Counterintelligence (CI) Polygraph.

The Senior Systems Administrator II supports the information technology (IT) Operations and Maintenance (O&M) server team by managing enterprise‑level, high performance, highly available server technology solutions (systems, applications, and services).

Responsibilities
  • Configure, troubleshoot, administer, and maintain the organization’s Windows, Linux, and Citrix server environments.
  • Monitor and administer the department’s access and transfer cross domain solutions (CDS).
  • Develop and deploy automated mechanisms to enhance operational efficiency and streamline activities across a variety of technologies, applications, and services.
  • Maintain and utilize system configuration and monitoring tools to analyze performance and remediate concerns (ex: Active Directory, MECM, Solar Winds, etc.).
  • Draft requests for change (RFC) and analyze submissions from other departments.
  • Develop technical documentation including diagrams, standard operating procedures, workflows, and run books.
Qualifications
  • 5 or more years of progressive, hands‑on experience maintaining enterprise information systems as a systems administrator or systems engineer.
  • Demonstrated expertise in deploying, troubleshooting, and maintaining Windows, Linux, and Citrix environments across an enterprise; operating and maintaining access and transfer cross domain solutions (ex: Secure view, Trusted Thin Client, Trusted Gateway System, X‑ARBITOR, high speed guard, etc.); automating deployment, maintenance actives utilizing custom scripts and automation tools (ex: Ansible, Power Shell, Bash, Python); applying and maintaining Government‑standard security configurations based on Security Requirements Guides (SRGs) and Security Technical Implementation Guides (STIGs).
  • Excellent written and verbal communication skills with the ability to articulate new ideas and concepts to technical and non‑technical audiences as well as senior‑level executives.
  • The position shall meet the minimum credential requirements for a Cyber IT/Cybersecurity Workforce (CSWF) position as defined in Section 6, Table
    3. System Administrator (451);
    Intermediate Level for SECNAV M-5239.2 compliance. (See Navy Cool Web Site).
Education

Bachelor’s degree from an accredited university; or

Certifications
  • CompTIA Security+ ce
  • GIAC Security Essentials Certification (GSEC)
  • Systems Security Certified Practitioner (SSCP)
Desired Qualifications
  • Experience engineering or administering a variety of IT devices, applications, and technologies (ex: Cisco, Nutanix, VMware, Splunk, Trellix, Ivanti, ACAS, Rapid7, etc.)
  • Understanding of Service Now functionality, capabilities, and integration points
  • Familiarity with the concepts, implementation, and operations associated with Dev Sec Ops  in an enterprise environment
Diversity and Equal Employment Opportunity

MKS2 Technologies is proud to be an Equal Employment Opportunity / Affinity Action employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law.

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Position Requirements
10+ Years work experience
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