Sr. RF Engineer - DAS

Srifal Technologies; Maryland; On-site; USD 115,000 - 160,000; Full time

Job summary

Srifal Technologies is seeking a Sr. RF Engineer – DAS for its on-site role covering the Washington DC–Baltimore area.

You will lead end-to-end RF and DAS design, perform link budgets, coverage predictions, and optimization for public safety and cellular in-building systems. Day-to-day tasks include site surveys, testing with RF equipment, supporting installation and commissioning teams, and documenting design parameters, test results, and as-built drawings.

Qualifications

• Bachelor’s degree in Electrical Engineering, Electronics, Telecommunications, or a related field.
• Advanced degree is an advantage.
• Experience designing, implementing, and optimizing DAS and other in-building wireless systems, preferably for public safety and cellular networks.
• Familiarity with NFPA, IFC and AHJ and carrier requirements for public safety and cellular DAS.
• Proficiency with RF design and planning tools such as iBwave or similar platforms.

Responsibilities

• Perform end-to-end RF and DAS engineering for public safety and cellular in-building systems.
• Create and review RF designs, conduct site surveys, and perform coverage prediction.
• Test, troubleshoot, and optimize systems using RF test equipment; support installation and commissioning.
• Document design parameters, test results, and as-built drawings; mentor junior engineers.

Skills

RF Design

RF Field Skills

DAS Design

Network Analyzer

Spectrum Analyzer

Documentation & Communication

Education

Bachelor's degree in Electrical Engineering / Electronics / Telecommunications

Advanced degree preferred

Tools

iBwave

Job description

Company Description Srifal Technologies LLC is an innovative firm specializing in the design and implementation of in-building Public Safety, Cellular, and Wi-Fi systems. Founded on more than a decade of experience in wireless network design, deployment, and maintenance, the company supports end-to-end solutions from system design through commissioning and ongoing support. Srifal works closely with Authorities Having Jurisdiction (AHJ) to obtain Public Safety DAS acceptance and coordinates with carriers for cellular DAS approval and signal source integration. The company’s expertise is reinforced by multiple industry certifications, including iBwave Design (Levels 1–3), Cel-Fi Quatra, ADRF and Comba Public Safety DAS, Fiplex Signal Booster, SOLiD Engineer Level 1, CIBET, Teko DAS, and Corning DAS certifications. This depth of specialized knowledge positions Srifal as a trusted partner for complex in-building wireless coverage projects.

Role Description The Sr. RF Engineer – DAS is a full-time, on-site role based in the Washington DC–Baltimore area. This role is responsible for end-to-end RF and DAS engineering, including system design, link budgets, coverage prediction, and optimization for public safety and cellular in-building solutions. Day-to-day tasks include creating and reviewing RF designs, performing site surveys, conducting system testing and troubleshooting using RF test equipment, and supporting installation and commissioning teams. The Sr. RF Engineer will collaborate with project managers, field technicians, AHJs, and carriers to ensure designs meet code requirements, performance targets, and client expectations. The role also involves documentation of design parameters, test results, and as-built drawings, as well as mentoring junior engineers and contributing to continuous improvement of engineering processes.

Qualifications

• Candidates should possess strong RF Design and RF Field skills for public safety and cellular DAS systems.
• Candidates should possess RF DAS Design skills for RF components, interfaces, and supporting electronics.
• Candidates should possess hands-on experience with Network Analyzer and Spectrum Analyzer for measurement, validation, and troubleshooting.
• Bachelor’s degree in Electrical Engineering, Electronics, Telecommunications, or a related field; advanced degree is an advantage.
• Experience designing, implementing, and optimizing DAS and other in-building wireless systems, preferably for public safety and cellular networks.
• Familiarity with relevant codes and standards (e.g., NFPA, IFC) and AHJ and carrier requirements for public safety and cellular DAS.
• Proficiency with RF design and planning tools (such as iBwave or similar platforms) and interpretation of coverage prediction reports.
• Strong analytical, documentation, and communication skills, with the ability to work collaboratively with field, project, and regulatory stakeholders.