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System Administrator 1 - Arlington, VA

M.C. Dean
paid time off, tuition reimbursement, 401(k), retirement plan
United States, Virginia, Arlington
Aug 19, 2025
Overview

About M.C. Dean

M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.

Why Join Us?

Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values-agility, expertise, and trust-we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.

We are seeking a System Administrator 1 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a dynamic team responsible for design, implementation, operations & maintenance, and cybersecurity for large complex resilient hardware and virtualized infrastructure to ensure implemented solutions meet stakeholder needs, standards, and performance requirements.


Responsibilities

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 flexibility in schedule, neat in appearance, able to communicate professionally with customers and coworkers. Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success in this role.

Essential responsibilities and activities include but are not limited to:

  • 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 networks.
  • 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.

Qualifications

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

Education/Requirements:

  • Education:
    • BS degree and 0+ Years of progressive experience or
    • HS Diploma or Equivalent and 6+ Years of 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 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 Security + Certification.
  • Have reliable transportation for purposes of getting to and from work.

Desired/Advantageous Qualifications:

  • Certification\Experience in CCure 9000 Access Control System desired.
  • CASP certification
  • Certification\Experience in AMAG Access Control System desired.
  • Certification\Experience in BOSCH BVMS desired.
  • Experience Building/Executing/Managing Ad-Hoc reports to SSRS Which Leverages Microsoft SQL
  • Experience programming/administrating Access Control Systems of any type desired.
  • Experience with installation, troubleshooting, and testing of security electronics equipment desired.
  • Requires an understanding of Windows patching and vulnerability remediation.
  • Requires a basic knowledge of Windows active directory hierarchy and implementation.

What we offer:

  • A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust.
  • An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
  • Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
  • Open and transparent communication with senior leadership as well as local office management.

We offer an excellent benefits package including:

  • A competitive salary
  • Medical, dental, vision, life, and disability insurance
  • Paid time off
  • Tuition reimbursement
  • 401k Retirement Plan
  • Military Reserve pay offset
  • Paid maternity leave

Abilities:

  • Exposure to computer screens for an extended period of time.
  • Sitting for extended periods of time.
  • Reach by extending hands or arms in any direction.
  • Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
  • Listen to and understand information and ideas presented through spoken words and sentences.
  • Communicate information and ideas in speaking so others will understand.
  • Read and understand information and ideas presented in writing.
  • Apply general rules to specific problems to produce answers that make sense.
  • Identify and understand the speech of another person.
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