Senior Windows Systems Administrator, TS/SCI Polygraph

D2 Consulting; Chantilly (VA); Hybrid; USD 120,000 - 140,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

Accrued PTO

STD/LTD/Life Insurance

Referral Bonuses

Professional development reimbursement

Job summary

D2 Technical Services seeks an experienced Systems Administrator to maintain and optimize client computer systems. The role involves hands‑on support across networks, software, hardware, and configurations, with emphasis on security and reliability.

Requirements include 5+ years in systems administration, Active Directory, Windows Server 2012/2016, and security certifications. A BS in CS/ENG or equivalent is expected.

Qualifications

• 5+ years in systems administration and analysis.
• Active Directory Account Management and Windows Server troubleshooting experience.
• Bachelor’s degree in computer science, engineering, or related field, or equivalent work experience.
• DoD IA Certification required; CompTIA Security+ CE, SSCP or CCNA-Security preferred; Security+ CE preferred.

Responsibilities

• Provide hands‑on technical support; manage networks, software, hardware, and system configurations.
• Troubleshoot and resolve hardware and software issues with minimal downtime.
• Educate end‑users on effective hardware and software use to boost productivity.
• Perform software installations, system upgrades, and maintain operating systems and software packages.
• Monitor system performance and adjust for optimal operation.
• Ensure data integrity and reliability of workstations and servers.
• Manage regular backups and database archives; stay current on data/media recoverability.
• Conduct system audits to ensure security standards and best practices.
• Collaborate to enhance performance and security; meet user needs.
• Assist with system evaluations and contribute to long‑term planning strategies.
• May work with administrative programming languages to optimize internal processes.
• Stay current on emerging technologies to keep systems modern and efficient.
• Participate in dynamic special projects!

Skills

Active Directory Account Management

Windows Server 2012/2016

Windows 10/11 troubleshooting

Outlook

Excel

Word

JAVA

Internet Explorer

Education

Bachelor’s degree in computer science, engineering, or related field

Equivalent work experience (including military or technical training)

Tools

SCCM

MS Exchange

Job description

D2 Technical Services seeks an experienced Systems Administrator to maintain and optimize client computer systems. The role involves hands‑on support across networks, software, hardware, and configurations, with emphasis on security and reliability.

Requirements include 5+ years in systems administration, Active Directory, Windows Server 2012/2016, and security certifications. A BS in CS/ENG or equivalent is expected.