Tech Specialist - Tysons, VA Security Clearance

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 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.

• Assist with cybersecurity documentation to support Authority to Operate (ATO) maintenance and renewals
• Apply familiarity with NIST 800-53 controls and ATO processes to maintain system compliance
• Develop and contribute to compliance documentation, including writing control narratives and supporting artifacts
• Develop and maintain system architecture diagrams representing current and future state environments
• Read and interpret engineering drawings, system architectures, schematics, and SOW documentation to support troubleshooting and system modifications
• Demonstrate proficiency with at least one enterprise security platform (e.g., Lenel OnGuard, Genetec Security Center), including credential management and system administration functions
• Perform system administration across enterprise security and infrastructure platforms, including configuration management, user administration, access control, and system health monitoring
• Support and maintain integrations across multi‑vendor systems, ensuring interoperability and stable operations
• Maintain working knowledge of supporting systems such as IP‑based video surveillance, credential management solutions, and VoIP intercom systems
• Manage and maintain cloud‑based infrastructure (e.g., AWS EC2 instances), including provisioning, configuration, patching, and performance optimization
• Monitor system health, performance metrics, and Cloud Watch alerts/logs to maintain situational awareness, proactively identify risks, and support automation initiatives
• Analyze system performance and recommend improvements to optimize reliability, scalability, and efficiency
• Lead advanced troubleshooting efforts, performing root cause analysis and implementing long‑term corrective actions for recurring or critical issues
• Provide Tier 3 support for ESS platforms (access control, VMS, intrusion detection), including troubleshooting system failures, connectivity issues, and hardware/software faults
• Provide remote diagnostics, log analysis, and configuration support to field personnel during installation and issue resolution
• Serve as the primary interface with manufacturers and vendors, owning support tickets end‑to‑end, including creation, tracking, escalation, and resolution validation
• Apply hands‑on experience with physical security hardware, including door controllers, readers, request‑to‑exit (REX) devices, door contacts (DC), locks, input/output modules, and control panels
• Support installation, configuration, and troubleshooting of field devices and associated infrastructure, including low‑voltage wiring, device communication, and panel integrations
• Understand door hardware design and access control system behavior, including fail‑safe and fail‑secure configurations and life safety considerations
• Apply networking and infrastructure fundamentals (IP addressing, subnetting, routing, switching, firewalls, VLANs) to support system integration, performance optimization, and advanced troubleshooting
• Coordinate with engineering, IT, security operations, and facilities teams to maintain system uptime and ensure effective incident response
• Plan, test, and execute system upgrades, patches, and migrations with minimal operational impact
• Document system configurations, issues, resolutions, and trends to improve support processes and long‑term system performance
• Assist with routine maintenance activities, including firmware updates, system backups, and preventative maintenance
• Conduct research and evaluation of systems, technologies, and manufacturers to support current and future deployments
• Support system…