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M.C. Dean

Designs and deploys secure mission-critical infrastructure

ESS Technology Specialist 3

System AdministrationConfirmed live in the last 24 hours
Full-timeTysons, VA, USA$104.2k - $130.3k /yr

About the Job

Requirements

  • High school diploma with 10 or more years of experience installing, troubleshooting, and/or testing electronic security systems; alternatively, an associate degree with 8 or more years of experience, a bachelor's degree with 5 or more years of experience, or a master's degree with 3 or more years of experience.
  • System administrator experience triaging system problems, resolving them, analyzing system data to prevent problems, and implementing new workstations and system extensions.
  • Reliable attendance at the customer site during the customer's required work hours.
  • Ability to work a flexible schedule that includes occasional nights and weekends.
  • Ability to travel within and outside the continental United States; travel may be up to 50%.
  • Active Secret clearance and ability to obtain Top Secret/SCI clearance; applicants may need to meet eligibility requirements, including U.S. citizenship, for access to classified information.
  • Ability to perform duties with minimal direct supervision.
  • Ability to work with design engineers and system administrators, and directly with end-user representatives.
  • Ability to produce system documentation, including system logicals and information-flow diagrams in Visio, hardware and software lists in Excel, and standard operating procedures and other documentation in Microsoft Word.
  • Knowledge of basic communication and security cabling types and basic electronics technology.
  • Ability to provide basic system training to users and other system support personnel.
  • Ability to read and interpret engineering drawings, designs, schematics, statements of work, and standard operating procedure documentation.
  • Ability to coordinate with field personnel and engineering teams to resolve installation issues, and to answer support calls about installation issues at job sites.

Responsibilities

  • Troubleshoot a wide variety of technical issues in the field, prioritizing site issues and working with project teams, clients, and internal representatives.
  • Administer Windows Server systems, including server builds, Active Directory and Group Policy Objects configuration, systems administration, troubleshooting, and Windows Server roles and features.
  • Administer databases in a SQL Server environment using Management Studio.
  • Work with Windows Server technologies including Hyper-V virtualization, storage management, server failover, and clustering.
  • Analyze system performance, troubleshoot performance issues, resolve system problems, and recommend improvements.
  • Apply Layer 2 and Layer 3 networking skills in Cisco or Juniper environments, including creating and managing firewall exception rules and access control lists.
  • Maintain enterprise and cloud lab environments.
  • Conduct in-depth research and evaluate Technical Specialists' research to assess existing and future systems.
  • Provide on-site system support, including post-deployment support.
  • Conduct research and development on complete systems, analyzing interoperability and constructability scenarios.
  • Conduct research and development on new system manufacturers and technologies, including access control, intrusion detection, closed-circuit television, server technology, PC hardware, LAN/WAN technologies, firewalls, and IDS/IPS.
  • Interface with internal and external customers.

Desired Qualifications

  • Vendor certifications for electronic systems.
  • Familiarity with DISA STIGs, ACAS vulnerability scanning, and cybersecurity principles.

About the Company

M.C. Dean

Designs and deploys secure mission-critical infrastructure

M.C. Dean designs, builds, operates, and maintains integrated cyber-physical systems for mission-critical facilities, secure environments, and large enterprises. Its work spans electrical power, security, telecommunications, life safety, automation and controls, audio-visual, and IT systems, all coordinated through management platforms that support long-term operation and sustainability. The company works end-to-end: it engineers solutions, installs them, and then runs and maintains them to ensure continuous, secure, and resilient performance. What sets it apart is its ability to provide comprehensive, turnkey technology and infrastructure services for critical environments—combining physical systems with digital management to create secure, automated facilities. The goal is to deliver automated, secure, and resilient power and technology systems and the platforms needed to manage them over the long term.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Tysons, VA
Founded
1949

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