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# DAS / ERRCS Integration Technician

- **Company:** The Apex
- **Location:** Corona, CA, United States
- **Experience:** Experienced
- **Salary:** $72,800.0 - $87,360.0
- **Contract:** Permanent contract
- **Skills:** Software Design Documents, Monitoring of Systems, Wireless Networks, Apex Code, Coax, Software Troubleshooting, Wireless Technologies
- **Published:** October 28, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=4d1eac830c9d89a6

## About the Role

· Minimum 3 years of telecommunications industry experience, including at least 2 years of direct DAS and/or ERRCS installation experience.

· Hands-on experience with at least two major DAS OEM platforms, such as Corning, SOLiD, JMA, ADRF, or Comba.

· Experience installing, commissioning, or troubleshooting cellular DAS and ERRCS/ERCES systems.

· Working knowledge of RF fundamentals, wireless communications, coaxial systems, fiber optics, and grounding and bonding.

· Ability to use RF and fiber test equipment and accurately interpret test results.

· Ability to read and interpret construction drawings, wireless design documents, specifications, risers, and one-line diagrams.

· Strong troubleshooting, communication, documentation, and problem-solving skills.

· Valid driver's license with an acceptable driving record.

Preferred Qualifications

· 5 or more years of DAS and ERRCS experience.

· OEM training or certification from Corning, SOLiD, JMA, ADRF, Comba, or similar manufacturers.

· Experience supporting AT&T, Verizon, T-Mobile, and FirstNet deployments.

· Experience working on public works, government, healthcare, higher-education, and critical-infrastructure projects.

· Familiarity with iBwave designs and RF design documentation.

· OSHA 10 or OSHA 30 certification and current CPR/First Aid certification.

· Experience leading field activities, coordinating small crews, and mentoring junior technicians.

Physical Requirements

· Ability to lift and carry up to 75 pounds.

· Ability to climb ladders, use aerial lifts, and work at heights when required.

· Ability to work indoors and outdoors in active construction and operational environments.

· Ability to frequently stand, walk, bend, kneel, crouch, reach, and perform hands-on installation work.

· Ability to safely handle cable, tools, test equipment, and telecommunications hardware.

What Success Looks Like at Apex

· Takes ownership of field execution, technical quality, safety, and documentation.

· Completes installations and commissioning activities accurately with minimal supervision.

## Description

Apex Site Solutions is seeking an experienced DAS / ERRCS Integration Technician to support the installation, integration, commissioning, troubleshooting, and maintenance of Distributed Antenna Systems (DAS), Emergency Responder Radio Communication Systems (ERRCS/ERCES), and related wireless infrastructure.

This position is part of Apex's growing Technical Services Department and supports commercial, healthcare, education, government, public safety, and critical-infrastructure projects. The ideal candidate is a self-motivated telecommunications professional with hands-on experience working with leading DAS manufacturers, cellular carrier systems, public safety radio networks, fiber optic infrastructure, and RF test equipment.

This is more than a basic installation role. The successful candidate should be able to troubleshoot, commission, and integrate complex wireless systems while maintaining the quality, safety, documentation, and customer-service standards expected by Apex, its customers, carriers, and Authorities Having Jurisdiction (AHJs).

Essential Duties & Responsibilities

DAS Installation, Integration & Commissioning

· Install, integrate, commission, troubleshoot, and maintain DAS platforms from major OEMs, including Corning, SOLiD, JMA, ADRF, Comba, and similar systems.

· Install and configure head-end equipment, remote units, fiber distribution equipment, DAS cabinets, power systems, antennas, splitters, couplers, taps, and monitoring equipment.

· Support cellular DAS deployments involving AT&T, Verizon, T-Mobile, FirstNet, and other carrier requirements.

· Coordinate system activation and acceptance testing with customers, carriers, OEM representatives, and project stakeholders.

· Diagnose RF performance issues, communication faults, equipment alarms, fiber problems, and installation deficiencies.

· Support system upgrades, expansions, preventive maintenance, and corrective service activities.

ERRCS / Public Safety Communications

· Install, integrate, and commission ERRCS/ERCES systems in accordance with approved design documents, project specifications, IFC, NFPA, and local AHJ requirements.

· Install and configure bi-directional amplifiers (BDAs), donor antennas, indoor antennas, annunciators, battery backup systems, supervisory alarm interfaces, and related fiber and coaxial infrastructure.

· Coordinate with fire alarm contractors and other trades for system monitoring and alarm interfaces.

· Support grid testing, public safety acceptance testing, and AHJ inspections.

· Troubleshoot and correct system deficiencies identified during testing or inspection.

Fiber, Cabling & Infrastructure

· Install, terminate, label, and test single-mode and multimode fiber, coaxial cable, hybrid cable, category cabling, and related pathways.

· Install grounding and bonding components in accordance with project requirements and manufacturer standards.

· Perform fiber certification, optical loss testing, connector inspection, cleaning, and troubleshooting.

· Maintain clean, organized, code-compliant, and serviceable installations.

RF Testing & Quality Assurance

· Use spectrum analyzers, cable and antenna analyzers, PIM test equipment, fiber test equipment, signal generators, and other industry-standard tools.

· Perform cable sweep testing, PIM testing, fiber certification, signal verification, commissioning, and site acceptance testing.

· Compare field conditions and test results against approved designs, OEM requirements, project specifications, and acceptance criteria.

· Identify risks or deficiencies early and communicate clear corrective-action recommendations.

Documentation, Coordination & Customer Support

· Read and interpret DAS and ERRCS design packages, floor plans, riser diagrams, one-line diagrams, construction drawings, specifications, and RF documentation.

· Complete daily field reports, test records, commissioning reports, redlines, punch lists, photographs, and closeout documentation accurately and promptly.

· Provide Project Managers and Engineers with accurate field conditions, progress updates, material needs, schedule concerns, and technical information.

· Coordinate professionally with customers, general contractors, inspectors, subcontractors, carriers, OEM representatives, AHJs, and internal Apex personnel.

· Mentor junior technicians and installers when assigned.

Safety & Work Practices

· Follow Apex safety policies, OSHA requirements, site-specific safety plans, and customer safety rules.

· Participate in pre-task planning, job hazard analyses, toolbox meetings, and required training.

· Use required personal protective equipment and maintain safe work areas, tools, and equipment.

· Stop and report unsafe conditions, damaged equipment, or work that does not comply with approved requirements.