Tech Specialist - Tysons, VA Security Clearance

Position: Tech Specialist 2 - Tysons, VA with 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.

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 Tech Specialist 2 to join our Security and Electronic Systems (SES) business Unit.

As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Responsibilities
* 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…