Windows System Administrator - Falls Church, VA

Overview Your Future at M.C. Dean

We're seeking people driven to excellence and inspired to have ameaningful impact powering, automating, integrating, and securing the world’s most critical infrastructure and facilities. This translates into fulfilling opportunities for employees driven to excel in a meaningful career. As an employee at M.C. Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems;

and deliver the management platforms essential for long‑term system sustainability. Together, we transform the way complex, large‑scale systems are designed, delivered, and sustained–enhancing client outcomes, improving lives, and changing the world for the better.

We are seeking a System Administrator 1 to join our Security and Electronic Systems (SES) business Unit. As part of our (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, IT systems, perimeter defense and command and control systems for federal, local and commercial customers across high‑growth markets.

In this role you will be responsible for monitoring, maintaining and testing of Physical Access Control, CCTV, PSIM and Integrated Electronic Systems.

• This position is maintained at a single on‑site work location.
• Candidates must be flexible in schedule, neat in appearance, able to communicate professionally with customers and coworkers.

Responsibilities include but are not limited to:

• Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success in this role.
• Manage physical security system support to meet service level agreements.
• Analyze physical security system performance and recommend improvements.
• Resolve complex system issues for physical security systems and network.
• Triage customer support calls, providing Tier 1 help desk support and Tier 2 escalation.
• Communicate with customers, manufacturers, vendors, and technical specialists.
• Train system users and other system support personnel.
• Analyze and modify preventive maintenance checklists for system changes.
• Troubleshoot system performance issues and implement corrective actions.
• Perform preventive maintenance actions including system back‑ups, error log reviews, database size, and integrity checks.
• Organize and prepare detailed documentation of system performance, including service request records and analysis.
• Perform desktop hardware and operating system set‑up, imaging software loading, and antivirus updates.
• Perform all duties with minimal direct supervision.

Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and may meet eligibility requirements, including U.S. Citizenship, for access to classified information;
ability to obtain a SECRET clearance is REQUIRED

Education:

• 2+ Years of Experience with a Bachelor's Degree in Information Technology, Risk Management, Cybersecurity preferred
• 6+ Years of Experience with an Associate's Degree in Information Technology, Risk Management, Cybersecurity preferred
• 8+ Years of Experience with a High School Diploma

Required Progressive

Experience:

• Requires system administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
• Requires an understanding of Windows patching and vulnerability remediation.
• Requires a basic knowledge of Windows active directory hierarchy and implementation.
• Requires a basic knowledge of large scale networking, VLANs and routing.
• Requires reliable attendance at customer site during work hours required by customer.
• Requires the ability to work flexible shifts that may include occasional nights, weekends and holidays
• Requires a Security + Certification

Desired / Advantageous

Qualifications:

• Certification/Experience in CCure 9000 Access Control System desired.
• CASP certification, or CISSP certification.
• Certificat…