Security Systems Application Specialist (System Administrator 1) - United Kingdom

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 7,000 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.

Position Summary

Application Specialists are key members of the global technology team responsible for building and maintaining enterprise technology application systems.

Location: London, UK. Kings Cross

Essential Responsibilities and Activities Include but are Not Limited to:

• Programming various technology application systems by adding devices and configuring for operation.
• Providing system support to the Integrators/LSPs in the field during deployment.
• Commissioning/testing support at the software level for the field teams.
• Monitoring operational systems for errors and alerts.
• Troubleshoot various technologies related to PSIM, access control, video, and building management systems.
• Document daily functions and troubleshooting process to create and revise playbooks.
• Contributing to a regional and global Metrics program.

Preferred Experience:

• Experience programming PSIM systems, specifically Sure View Systems’ (SVS) Response.
• Experience programming access control systems, specifically Software House CCure 9000.
• Experience programming video management systems, specifically Genetec.

Work Schedule:

Monday-Friday, standard UK working hours. Occasional out of hours required to work with other global teams (APAC & California). Required time in the office 5 days/week for first 90 days / during probation period. 4 days in office pending probation completion. Moving to 3 days in office during H2 2025. Willing to travel outside of UK.

Clearance/Citizen Type: No clearance is required.

Key Requirements:

• Education: BS degree and 0+ Years of progressive experience or HS Diploma or Equivalent and 6+ Years of progressive experience.
• Requires some system administrator experience in performing triage on system problems, resolving system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions.
• Demonstrated understanding of Windows patching and vulnerability remediation.
• Basic knowledge of large-scale networking, VLANS and routing.
• Requires reliable attendance at customer site during work hours required by customer.
• Requires the ability to work flexible shifts that include nights, weekends and holidays as needed.
• Requires minimum of IAT Level II certification (e.g., Security+).
• Demonstrated background working with multidisciplinary teams.
• Demonstrated time management and organization skills to meet deadlines and quality objectives.
• Able to use MS Excel, Word, Visio, and PowerPoint.

What we offer:

• A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better.
• We are driven by our core values of agility, expertise, and trust.
• An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years.
• Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.
• Open and transparent communication with senior leadership as well as local office management.

Abilities:

• Exposure to computer screens for an extended period of time.
• Sitting for extended periods of time.
• Reach by extending hands or arms in any direction.
• Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
• Listen to and understand information and ideas presented through spoken words and sentences.
• Communicate information and ideas in speaking so others will understand.
• Read and understand information and ideas presented in writing.
• Apply general rules to specific problems to produce answers that make sense.
• Identify and understand the speech of another person.