Overview

JLL empowers you to shape a brighter way. Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward. We support your move! Relocation financial assistance provided to eligible candidates relocating to Colorado City, TX - subject to company terms.What this job involves: The Site Security Manager is the on-site leader of the physical security program at Barber Lake, reporting to the Director of Physical Security Operations. This hands-on leadership role owns the development, execution, and oversight of all site security operations-24/7/365-from guard force coordination and SOP enforcement to compliance with lease and customer contractual requirements. You will serve as the primary on-site point of contact for the customer's security organization, manage the contracted guard force vendor through the Guard Force Account Manager, and ensure every operational element-visitor processing, government official protocol, incident response-is executed in full alignment with lease obligations and Cipher Digital security standards. This role requires daily movement across the site, partnering with the Site Operations Director, Security Technology team, Compliance & Audit team, and customer security stakeholders to solve problems and ensure nothing falls through the cracks. What your day-to-day will look like: Lead all on-site physical security operations, translating lease and customer contractual security requirements into operational reality while ensuring every SLA, control, and obligation is metManage the contracted guard force vendor relationship through the on-site Guard Force Account Manager by setting performance expectations, KPIs, and quality standards, and conducting routine post inspections, shift observations, and SOP auditsServe as the primary on-site point of contact for customer security stakeholders, leading security walkthroughs, audits, joint operational reviews, and preparing Monthly and Quarterly Business Review (MBR/QBR) contentOversee the end-to-end visitor management process and conduct access reviews of all personnel with site or Tenant Space access, ensuring all access provisioning meets contractual SLAsLead on-site response coordination for all security incidents and emergencies, ensuring incident notification within the contractual 4-hour SLA and delivering formal written incident reports within 72 hoursDevelop, implement, and continuously improve site-specific Standard Operating Procedures (SOPs) covering visitor management, access control, emergency access, government official protocol, and incident responsePartner with the Security Systems team on system design, deployment, and commissioning, and oversee day-to-day operational use of access control, CCTV/VMS, visitor management, and SOC platforms Required Qualifications: Minimum of 5 years of progressive experience in security operations management, preferably in a data center, critical infrastructure, or high-security commercial environmentDemonstrated experience managing contracted guard force vendors (Securitas, Allied Universal, or equivalent)Experience operating security programs in dynamic environments such as active construction, customer move-in, multi-tenant facilities, or 24/7 operationsTrack record of building and managing customer-facing security programs with formal SLAs and contractual obligationsProficiency with security reporting tools, ticketing platforms (ServiceNow), and standard productivity softwareWorking knowledge of access control systems (Genetec or equivalent) and CCTV/VMS platform