Electronic Security Systems Specialist Rio Rancho, NM

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus, ownership, and excellence are decisive advantages - and we're building a world-class team to turn bold ideas into real capability.

This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.

This is a rare opportunity to join at an early stage, where you'll have significant ownership, collaborate with exceptional teammates, and make a direct, measurable impact on our mission and the future of the company - regardless of your function.

Castelion is moving incredibly fast to develop and deliver advanced defense systems at a time when execution matters more than ever. We believe focus and technical excellence are decisive advantages - and we are building a team that can deliver real capability, not just concepts.

This is a rare opportunity to join at an early stage, where your work will directly shape critical systems, influence major technical decisions, and have immediate, real-world impact.

The Electronic Security Systems Specialist on the Physical Security team at Castelion is responsible for installing, troubleshooting, repairing, and maintaining electronic security systems and security video management infrastructure. In this role, you will support ACS, CCTV, IDS, and related security technology across multiple facilities while partnering with Phy Sec, Facilities, IT, and other stakeholders. This position offers the opportunity to directly strengthen Castelion's security posture and support the protection of advanced defense systems.

• Install, maintain, troubleshoot, and repair electronic security technology, including ACS, CCTV, IDS, and related platforms.
• Perform job walks, assess installation and redesign requirements, and support vendor scheduling, installation, subcontracting, and commissioning activities for facility security infrastructure.
• Process work orders and maintain accurate documentation of job status, revisions, material flow, maintenance, and project records.
• Fabricate, repair, and assemble hardware and equipment; maintain serviceable tools, materials, and replacement-parts inventory and procure components as needed.
• Collaborate with security and system administrators to develop procedures, train system users, and support the operation of Lenel and Avigilon systems.

• High school diploma or equivalency certificate.
• 5+ years of experience working with electronic security systems, such as CCTV, ACS, IDS, fire alarm, or comparable systems.
• Ability to troubleshoot hardware and low-voltage security system components and follow technical documentation, drawings, and floor plans.
• Basic computer skills and ability to use standard business and work-order applications to document work and maintain records.
• Ability to communicate effectively in writing and verbally and work collaboratively with employees, vendors, and other stakeholders.

• 5+ years of experience using scissor lifts, boom lifts, ladders, power tools, hand tools, and calibrated tooling.
• Experience with Lenel access control, Avigilon camera hardware or software, Life Safety Panel hardware, Mercury hardware, and basic low-voltage access control wiring.
• Lenel or Avigilon certification; experience with Microsoft Office, Jira, Asana, or similar tools.
• Experience using precision measuring instruments and interpreting system schematics, technical drawings, and floor plans.
• Experience managing multiple priorities and maintaining effective working relationships with department staff, management, vendors, and outside agencies.

• Valid driver's license and willingness to travel as needed.
• Ability to work in tight quarters and environments containing varied materials and equipment, lift and move up to 50 pounds or material unassisted, and comfortable working from varied heights
• Ability to work in extreme outdoor conditions, including heat, cold, and rain, and willingness to work extended hours and weekends based on site operational needs.
• Must be able to pass background screening and obtain and maintain any required licenses, permits, or certifications.

We offer four (4) weeks of paid time off, ten (10)…