Contract Signal Integrity / Power Integrity Engineer

Job Title: Contract Signal Integrity / Power Integrity Engineer (UK Nationals Only)

Location: 100% Remote (UK-Based)

Contract Duration: 6–12 Months
Start Date: ASAP
Clearance Requirement: UK Nationals Only (Due to project sensitivity)

Overview:

We are seeking an experienced Signal Integrity / Power Integrity Engineer for a long-term contract role supporting advanced hardware development projects within a high-reliability environment. This role is fully remote but restricted to UK nationals due to the nature of the work and data security requirements.

Key Responsibilities:

• Perform advanced Signal Integrity (SI) and Power Integrity (PI) analysis across high-speed digital designs.
• Model and simulate high-speed interconnects, PCB stack-ups, power delivery networks (PDNs), and associated parasitics.
• Provide design recommendations to ensure signal quality, noise margin, and power stability are within specification.
• Work closely with PCB layout teams, hardware designers, and systems engineers to optimize designs from concept to production.
• Validate simulation models with lab measurements and assist in root cause analysis of SI/PI-related issues.
• Document analysis results, methodologies, and recommendations for both internal teams and customer reporting.

Required Skills and Experience:

• Proven experience in SI/PI engineering within high-speed digital system environments.
• Strong proficiency with industry-standard simulation tools such as:
  • Ansys SIwave, Keysight ADS, Cadence Sigrity, or Mentor HyperLynx
• In-depth understanding of PCB design and manufacturing constraints affecting signal and power integrity.
• Solid knowledge of transmission line theory, impedance matching, crosstalk, jitter, PDN resonance, and decoupling strategies.
• Hands-on experience with simulation-to-lab correlation using oscilloscopes, VNAs, TDRs, and probes.
• Ability to work independently in a remote setting, collaborating virtually with multi-disciplinary teams.

Preferred Qualifications:

• Degree in Electrical Engineering or a related field.
• Experience working in sectors such as aerospace, defence, telecommunications, or high-performance computing.
• Familiarity with DDR, PCIe, Ethernet, or SerDes interfaces at multi-Gbps rates.

Additional Information:

• This is a UK-based remote role; applicants must be UK nationals to be considered.
• Engagement is expected to last between 6 and 12 months, with potential for extension based on project scope.