Building Management System (BMS) - Technical Specialist

Parsons; California; On-site; USD 88,000 - 155,000; Full time

Benefits offered by this job

Medical benefits

401(k)

Flexible schedules

Paid time off

Job summary

Parsons in California seeks a Sr. Technical Specialist with extensive Building Management Systems (BMS) experience to support and optimize critical building automation and OT environments. Must currently reside in California.

The role focuses on Windows Server, networking, PowerShell, and cross-functional collaboration with IT and OT teams to ensure secure, reliable operations across facilities and large-scale deployments.

Qualifications

• Bachelor's degree or equivalent in CS, Engineering or related field.

Responsibilities

• Monitor and optimize building systems using BMS to ensure efficiency and comfort.
• Provide advanced tech support for building automation systems including HVAC, lighting, and power management.
• Support large-scale Windows Server environments and IT infrastructure.
• Collaborate with PMs and SMEs to validate system builds and deployments.
• Develop and troubleshoot PowerShell scripts.
• Troubleshoot Windows OS including registries, permissions, services, and performance.
• Apply networking knowledge (DNS, TCP/IP, SMB, SSL/TLS) during setup and resolution.
• Coordinate OS and infrastructure-related projects deployment.
• Conduct security patching for Windows systems and address compatibility issues.
• Coordinate with third-party vendors to resolve system-specific issues.
• Lead or support OT internal audit activities.
• Collaborate with IT Support to maintain secure operations.
• Design and implement scalable technical solutions for business and operations.
• Manage multiple issues and priorities in a fast-paced environment.

Skills

BMS expertise

Building automation

Windows server administration

Networking

PowerShell scripting

Troubleshooting complex IT/OT issues

Communication

OT cybersecurity knowledge

Education

Bachelor's degree or equivalent in CS/Engineering/related

7+ years of related experience in BMS/OT/IT infrastructure

Tools

PowerShell

MS SQL

Firewalls

Job description

In a world of possibilities, pursue one with endless opportunities. Imagine Next!At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible.

Job Description

Parsons 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

The successful candidate will play a key role in maintaining system performance, improving reliability, supporting security initiatives, and collaborating with internal teams and external vendors across complex facilities and enterprise environments.

Key Responsibilities

• 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

Required Qualifications

• 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

Security Clearance Requirement

None

This position is part of our Critical Infrastructure team. For more than 80 years, our experts have designed and delivered the critical infrastructure that connects and protects communities around the world. We work in collaborative teams, both within the company and with our partners and customers, to plan, design, build, and modernize infrastructure. We take special pride in projects and solutions that improve communities as well as people’s quality of life by promoting economic growth, enhancing mobility, and increasing sustainability and resiliency. Powered by our people, we provide the imagination necessary to support our customers’ visions—and to help them see what's next!

Salary Range: $88,400.00 - $154,700.00

We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle!

Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status.