System Administrator - Dallas, TX

Overview

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 9,000 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.

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.

What you’ll do:

In this role you will be part of a team to monitor, maintain, and test Physical Access Control, CCTV, PSIM and other electronic security systems and support implementation, troubleshooting and maintenance of Information Technology (IT) systems in support of the endpoint devices. The position provides Tier 2 escalation problem identification, diagnosis and resolution of problems and supports the escalation and communication of status to agency management and internal customers.

The position requires onsite support at a single location in the Washington D.C. area. Candidates must be flexible in schedule, travel and communicate professionally. Punctuality, attendance, willingness to learn, and teamwork are key to success.

• Manage physical security system support to meet service level agreements.
• Configure and manage Windows operating systems and install/load operating system software.
• Perform desktop hardware and operating system set‑up, imaging software loading, and antivirus updates.
• Analyze security system infrastructure performance and recommend improvements.
• Troubleshoot, maintain integrity and configure components along with implementing operating systems enhancements to improve reliability and performance.
• Provide detailed analysis and feedback to agency management and internal customers for escalated tickets.
• Perform IAVA updates and patching to ensure compliance with Information Assurance (IA) standards.
• Apply Security Technical Implementation Guides (STIGs) to Windows based operating systems (servers and workstations).
• Implement and maintain sophisticated enterprise Windows Active Directory Architectures.
• Perform daily operations including Active Directory management, monitoring, and reviewing system logs.
• Configure and maintain virtual hypervisors including VMware and Hypervisor.
• Deploy, configure, and maintain Virtual Desktop Infrastructure (VDI) platforms including Citrix Xen Desktop.
• Install, configure, and maintain third‑party applications.
• Install, configure and maintain highly available SQL database engines.
• Deploy and maintain storage platforms similar to Dell Equal Logic and Dell Power vault.
• Analyze requirements of future deployments and make recommendations for IT infrastructure including all hardware and software required to fulfill those requirements.
• Perform root cause analysis on significant issues across all tiers of support.
• Perform preventive maintenance actions including system back‑ups, error log reviews, database size analysis, and integrity checks.
• Develop new system and application implementation plans including testing procedures and ensuring operational reliability.
• Stay current with technological developments and make recommendations for new and emerging technology.
• Create technical documentation such as SOP and builds for both technical and non‑technical audiences.
• Train system users and other system support personnel as needed.
• Perform all duties with minimal direct supervision.

Education/

Experience:

• • Bachelor’s Degree and 5+ Years of progressive experience or
  • Associate’s Degree and 8+ Years of progressive experience or
  • High School Diploma or Equivalent and 10+ Years of progressive experience
• Requires…