RF Communications Engineer (REMOTE)

About the role

Columbus Technologies and Services, Inc. is a professional services company supporting government and commercial clients with program management, engineering, cybersecurity, and technology solutions. We are mission-driven and people-focused, combining technical excellence with a collaborative, high-integrity culture where employees are trusted, supported, and empowered. At Columbus, your work is visible and meaningful, your growth is encouraged, and your contributions directly support important missions and long-term client success. We value excellence, accountability, innovation, and respect—and we are committed to providing an environment where professionals can build lasting, impactful careers.

• Must be a US Citizen or Permanent Resident
• Estimated Duration: Ongoing
• W2 Position with full benefits
• Remote position
• Offer contingent on ability to successfully pass a background check and drug screen

Responsibilities

• Design communication systems to support satellite systems in lunar orbit, deep-space, satellite, and other mission applications.
• Define communication subsystem requirements and allocate requirements across spacecraft, payload, and ground system interfaces.
• Develop RF communication subsystem architectures, interfaces, and test activities including antennas, transceivers, SDRs, LNAs, SSPAs, filters, multiplexers, and related hardware.
• Develop and analyze communication link budgets to ensure mission performance requirements are met.
• Define and implement communication waveforms, modulation schemes, coding/FEC techniques, and synchronization methods.
• Perform RF system modeling, simulation, integration, testing, and troubleshooting activities.
• Conduct communication performance analyses including Eb/No, carrier-to-noise ratio, throughput, coverage, access, and link margin assessments.
• Ensure communication subsystem designs comply with applicable constraints, standards, and requirements.
• Collaborate with cross-functional teams, including systems, software, avionics, GNC, payload, and ground systems engineers, to ensure successful communication system integration.

Requirements

• Bachelor's degree in Electrical Engineering, Aerospace Engineering, Physics, or a related field.
• 5+ years of experience in communications or related fields.
• Experience developing communication subsystem requirements and interface definitions.
• Excellent problem-solving and troubleshooting skills.
• Ability to work effectively in a fast-paced, collaborative environment.

Skills

• Experience with lunar, deep-space, or satellite communication systems.
• Experience with Software Defined Radios (SDRs), optical, and/or RF communications systems.
• Experience with communication analysis tools such as MATLAB, Simulink, STK, FreeFlyer, GMAT, or equivalent.
• Experience with test equipment including spectrum analyzers, vector network analyzers, signal generators, and oscilloscopes.
• Familiarity with government standards, CCSDS protocols, and spectrum management activities.
• Experience supporting communication subsystem integration, verification, environmental testing, and mission operations.

Benefits

W2 Position with full benefits.

Pay

The US base salary range for this full-time position is $130-210K + benefits. Salary ranges are determined by role, level, and location; the