> Markdown version of [/jobs/ext/3923611-building-management-system-bms-technical-specialist](https://www.wearedevelopers.com/jobs/ext/3923611-building-management-system-bms-technical-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Building Management System (BMS) - Technical Specialist - **Company:** Parsons Corporation - **Location:** Walnut Creek, CA, United States - **Experience:** Expert - **Salary:** $88,400.0 - $154,700.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Amazon Web Services, Systems Engineering, CompTIA Network+, Cyber Security, Databases, Domain Name System (DNS), Internet Control Message Protocol, Microsoft SQL Server, Windows Servers, Windows PowerShell, Service Pack, TCP/IP, Building Management System (BMS), Computer Networking Systems, Firewalls (Computer Science), Build Management, Information Technology, Bacnet - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3467076847&tx=FR9794FFR&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role Pasons seeking a Sr. Technical Specialist with extensive experience in Building Management Systems (BMS) to support and optimize critical building automation and operational technology environments. This role is ideal for a highly skilled technical professional with deep expertise in BMS platforms, building automation, Windows server environments, networking, and system troubleshooting . Candidates must currently reside in California, * Bachelor's degree in Computer Science, Engineering, Business , or a related field, or equivalent relevant experience * Minimum of 7 years of related experience in BMS, building automation, operational technology, IT infrastructure, engineering systems, or similar technical environments * Extensive hands-on experience with Building Management Systems (BMS) is required * Must currently reside in California * Strong experience supporting Microsoft Windows operating systems and server infrastructure * Demonstrated experience troubleshooting complex technical issues across facility and IT environments * Strong communication and collaboration skills with technical teams, project stakeholders, and vendors * Commitment to ongoing professional development in IT, OT, and cybersecurity Preferred Qualifications * Strong proficiency in BMS software and building automation troubleshooting * Experience supporting automated HVAC, lighting, battery, and power management systems * BACnet certifications such as BC, AAC, ASC, or AWS * CCNA or CompTIA Network+ certification * ISA/IEC 62443 cybersecurity training * Experience with MS SQL and other database technologies * Strong knowledge of firewalls, managed switches, and structured cabling * Experience developing technical solutions for operational and business needs * Strong project coordination or project management skills * Experience supporting building automation, facility systems, or operational technology in a large or complex enterprise environment * Ability to prioritize and manage multiple requests, incidents, and improvement efforts effectively ## Description * Monitor, control, and optimize building systems using automated BMS platforms to ensure operational efficiency and occupant comfort * Provide advanced technical support for building automation systems , including HVAC, lighting, battery, and power management systems * Support large-scale Microsoft Windows Server environments * Collaborate with Project Managers and application subject matter experts to validate system builds and deployments * Develop, maintain, and troubleshoot scripts using PowerShell * Perform advanced troubleshooting of Windows operating systems , including registries, permissions, services, and system performance * Apply strong knowledge of networking and TCP/IP protocols such as DNS, ICMP, SMB, and SSL/TLS during setup and issue resolution * Support planning and deployment of operating system and infrastructure-related projects * Perform security patching for Microsoft Windows systems and work with stakeholders to resolve compatibility issues * Coordinate with third-party vendors to troubleshoot and resolve system-specific technical issues * Lead or support Operational Technology internal audit activities * Partner with IT Support and other cross-functional teams to maintain secure and reliable operations * Help design and implement scalable technical solutions that support business and operational requirements * Manage multiple support issues, system improvements, and technical priorities in a fast-paced environment