Payload Systems Engineer III

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Full Time Professional Longmont, CO, US

5 days ago Requisition

Salary Range: $ To $ Annually

Vitesse Systems is looking for a Payload Systems Engineer III to join the team in Longmont, Colorado! We design, engineer, and manufacture our own antennas to support the payload integration needs of our customers.

Vitesse Systems is a leading provider of highly engineered antenna, thermal management and mission critical solutions used in radar, electronic warfare and C5

ISR applications. No challenge is too difficult for the Vitesse Team. From complex specification driven requirements to precision manufactured components, Vitesse Systems has the experience and expertise needed to execute.

• Integrity, Initiative, Impact, and Integration translate to an environment where every team member is valued and rewarded.
• The mission‑critical solutions we design and manufacture at Vitesse make our country and our world safer.

• 3 Weeks of Paid Time Off
• 10 Paid Company Observed Holidays
• Birthday & Anniversary Incentives
• 401K Employer Match
• Medical, Dental and Vision Insurance
• Company-paid Life Insurance
• Company-paid Short & Long-term Disability
• Continuing Education Reimbursement Program
• Generous Referral Program

The Payload Systems Engineer is responsible for designing advanced payloads for satellite systems across all orbits.

• Design advanced communication payloads for satellite systems across all orbits (LEO, MEO, GEO)
• Contribute to the design, analysis, integration, and validation of satellite systems for next‑generation missions
• Work across payload design, system performance analysis, assembly, integration and testing, and mission operations
• Support design trades involving payload capacity, system mass, power optimization, spectral resources, and overall mission‑level performance
• Work closely with software, mechanical, thermal, and electrical engineering to optimize the satellite resources
• Analyze mission requirements and translate them into technical specifications, system‑level requirements, and engineering constraints
• Optimize the performance of satellite systems by maximizing payload efficiency, minimizing satellite mass and volume, and improving power use and duty cycles
• Build and execute simulations and models to evaluate payload performance under various operating and environmental conditions
• Support Assembly, Integration, and Test (AIT) activities including test plans, procedures, troubleshooting, performance validation, and verification strategies to validate systems and payload performance
• Support major reviews (SRR, PDR, CDR, MRR, TRR)
• Engage directly with hardware suppliers and evaluate hardware for payload architecture
• Support hardware procurement
• Participate in meetings and design reviews
• Responsible for overall communication subsystem
• Develop and maintain analysis tools across the program execution
• Develop payload block diagrams
• Requirements flow down
• Compute Link Budget Analysis
• Translate mission and system requirements into subsystem and unit‑level technical requirements, interfaces, and verification criteria
• Other duties as assigned

• Bachelor of Science degree in Electrical Engineering or related degree
• MSEE in related field desired, but not required
• Minimum of 5 years of experience in a similar role
• RF Communications Engineering/Payload Systems background
• Payload Experience – ideally communication payloads
• Payload Analysis and Budgets: EIRP, G/T, conversion factors, signal level budgets, group delay, frequency response and more
• Knowledgeable with payload thermal and power aspects
• Active and passive communication payload hardware knowledge: HPA, LNA, receivers, MRO, MLO, converters, filters, antenna subsystem (reflector based and DRAs)
• Familiar with digital payloads, (digital channelizer with or without beamforming)
• Strong understanding of satellite subsystems, particularly RF payloads, and spacecraft platforms
• Hands‑on experience in system modelling, simulation, and performance assessment
• Experience with…