System Administrator Belvoir, VA

Overview

M.C. Dean is Building Intelligence®. We design, build, operate and maintain cyber-physical solutions for mission‑critical facilities, secure environments, complex infrastructure and global enterprises. With more than 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.

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 IT systems for endpoint devices. The position provides Tier 2 (Escalation) problem identification, diagnosis and resolution and supports escalation and communication of status to agency management and internal customers.

Main responsibilities include but are not limited to:

• 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 and implement 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 to include Active Directory management, monitoring and reviewing system logs.
• Configure and maintain virtual hypervisors to include VMware and Hypervisor.
• Deploy, configure and maintain Virtual Desktop Infrastructure (VDI) platforms to include Citrix Xen Desktop.
• Install, configure and maintain 3rd‑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 to include testing procedures and ensure operational reliability.
• Stay current with technological developments and make recommendations for ways to take advantage of new and emerging technology.
• Create technical documentation such as standard operating procedures (SOP) and build instructions for both technical and non‑technical audiences.
• Train system users and other system support personnel as needed.
• Perform all duties with minimal direct supervision.

Clearance / Citizenship:
Candidates must be U.S. citizens and meet eligibility requirements for access to classified information. Active Top Secret w/ SCI with polygraph required.

Key Requirements:

• Education:
  • Bachelor’s Degree and 7+ years of progressive experience
  • Associate’s Degree and 10+ years of progressive experience
  • High school diploma or equivalent and 12+ 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 2+ years of experience programming/administrating Physical Access Control Systems.
• Demonstrated previous experience effectively managing small teams.
• Demonstrated understanding of Windows patching and vulnerability remediation.
• Demon…