RF Hardware Engineer

Persistent Systems; Bengaluru; On-site; INR 1,800,000 - 4,000,000; Full time

Benefits offered by this job

Hybrid work

Flexi hours

Long service awards

Education sponsorship

Accessible office

Job summary

Persistent Systems is seeking an RF Hardware Engineer to design, validate and troubleshoot 4G/5G femtocell and outdoor small cell products. You will drive deliverables from day one, review schematics and hardware architectures, and collaborate with Qualcomm and chipset teams on L1 calibration activities.

Role requires strong hands-on RF expertise, design validation, and ability to work with global teams across lab and production environments.

Qualifications

• 5–8 years of RF hardware design and wireless product development.
• Hands-on RF hardware design and performance optimization.
• Experience with 4G LTE, 5G NR, Small Cell, Femtocell or Outdoor Radio products.
• Deep understanding of PA, filters, LNAs and RF signal chains.
• RF bring-up, calibration, validation and troubleshooting.
• Familiarity with FCC/CE regulatory standards.
• Experience with Qualcomm chipsets and wireless platforms.

Responsibilities

• Act as a core member of the Small Cells Hardware Engineering team.
• Support RF hardware design, development, validation and sustaining engineering activities.
• Contribute to new product development and platform enhancement initiatives.
• Review RF schematics, PCB layouts, antenna integration designs, and hardware architectures.
• Optimize RF front-end performance including power amplifiers, filters and signal chains.
• Perform RF bring-up, debugging, validation and design verification testing.
• Execute RF characterization, system performance testing and calibration activities.
• Analyze factory test results and ensure compliance with product specifications.
• Utilize RF test equipment such as Keysight and Rohde & Schwarz instruments.
• Support root cause analysis and corrective actions for hardware issues.
• Investigate RF, digital, power and integration-related field issues.
• Collaborate with Qualcomm chipsets and wireless platform teams.

Skills

RF design

RF validation

Troubleshooting

System integration

Lab bring-up

Communication

Tools

Keysight equipment

Rohde & Schwarz equipment

Job description

We are looking for a RF Hardware Engineer to work on 4G/5G femtocell and outdoor small cell products. The role requires strong hands‑on expertise in RF design, validation, and troubleshooting, with the ability to independently drive deliverables and contribute from day one.

• Role: RF Hardware Engineer
• Experience: 5 to 8 Years
• Job Type: Full-Time Employment

What You’ll Do:

• Act as a core member of the Small Cells Hardware Engineering team.
• Support RF hardware design, development, validation, and sustaining engineering activities.
• Contribute to new product development and platform enhancement initiatives.
• Review RF schematics, PCB layouts, antenna integration designs, and hardware architectures.
• Optimize RF front-end performance including power amplifiers, filters, and signal chains.
• Perform RF bring-up, debugging, validation, and design verification testing.
• Execute RF characterization, system performance testing, and calibration activities.
• Analyze factory test results and ensure compliance with product specifications.
• Utilize industry-standard RF test equipment such as Keysight and Rohde & Schwarz instruments.
• Support root cause analysis and corrective actions for hardware-related issues.
• Investigate and resolve RF, digital, power, and integration-related field issues.
• Work closely with Qualcomm and chipset teams on Layer 1 and calibration-related activities.
• Collaborate with software and test teams for hardware-software integration and verification.
• Support product deployment activities and performance optimization efforts.
• Drive debugging activities across lab and production environments.
• Support regulatory certification activities including FCC, CE, and regional compliance requirements.
• Ensure products meet industry standards and wireless communication regulations.
• Validate RF performance across global frequency bands and deployment scenarios.
• Participate in certification testing, issue resolution, and documentation activities.
• Collaborate with ODM partners throughout the product lifecycle.
• Coordinate with system engineers, test engineers, manufacturing teams, and global stakeholders.
• Support product engineering activities from concept through deployment and maintenance.
• Participate in design reviews and technical discussions with internal and external teams.
• Provide technical leadership and mentoring to junior engineers when required.

Expertise You’ll Bring:

• 5-8 years of experience in RF Hardware Design, Validation, and Wireless Product Development.
• Strong hands‑on expertise in RF hardware design and performance optimization.
• Experience working on 4G LTE, 5G NR, Small Cell, Femtocell, or Outdoor Radio products.
• Deep understanding of RF front-end components including Power Amplifiers (PA), Filters, LNAs, and RF signal chains.
• Hands‑on experience with RF bring‑up, calibration, validation, and troubleshooting.
• Strong knowledge of wireless communication systems and PHY layer concepts.
• Experience using RF test and measurement equipment such as Keysight and Rohde & Schwarz analyzers.
• Understanding of RF debugging methodologies and hardware performance analysis.
• Knowledge of antenna integration and RF system-level optimization.
• Experience working with Qualcomm chipsets and wireless platform architectures.
• Exposure to regulatory compliance testing such as FCC, CE, and regional certification standards.
• Knowledge of global frequency bands including C-Band, N77, N78, and N79.
• Experience collaborating with ODMs, manufacturing partners, and product lifecycle teams.
• Strong analytical, troubleshooting, and problem‑solving capabilities.
• Ability to work independently and deliver results with minimal supervision.
• Excellent communication and collaboration skills for working with global engineering teams.
• Experience in high‑power RF / outdoor small cell products
• Exposure to regulatory compliance testing (FCC, CE, regional standards)
• Knowledge of global bands (e.g., C-band, N77/N79)
• Experience working with ODM partners and product lifecycle teams
• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting‑edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment.

Let’s unleash your full potential at Persistent - persistent.com/careers

“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”