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Communications Systems Expert

Modern Technology Solutions, Inc., El Segundo, CA, United States


We are seeking a highly skilled

Communications Systems Expert

with a focus on

RF Engineering

to join our team supporting advanced

space systems

and/or

missile defense systems .

This pivotal role requires expertise in analyzing and optimizing communication systems, including determining

link margins , evaluating

waveforms , and calculating

data rates

to ensure mission success in challenging environments.

The ideal candidate will have extensive experience in Radio Frequency (RF) engineering, signal propagation, and system-level communications design for aerospace or defense applications. This position involves collaboration with cross-disciplinary teams, including systems engineering, payload integration, and mission planning, to design and verify resilient communication architectures.

Key Responsibilities

Design, analyze, and optimize

RF communication systems

for space and/or missile platforms.

Calculate

link budgets

by evaluating factors such as transmitter power, receiver sensitivity, antenna characteristics, losses, environmental impacts, and more.

Analyze and select

waveforms

tailored to mission-specific communication requirements, such as secure transmission, signal robustness, and noise immunity.

Determine

data rates

and system performance requirements across multiple communication links, including space-to-ground, missile-to-satellite, and platform-to-platform architectures.

Implement models for RF propagation and predict system performance under varying environmental conditions (e.g., plasma effects during re-entry, space vacuum, missile speeds, atmospheric attenuation).

Perform system trade studies to evaluate communication technologies, such as frequency bands, modulation schemes, coding techniques, and encryption.

Collaborate with payload integration teams to ensure communication subsystems align with overall system design, constraints, and mission goals.

Provide expertise in communication standards, security protocols, and classifications specific to DoD space and missile programs.

Produce technical reports, link budget analyses, and presentations for review by government stakeholders and program leadership.

Required Skills and Expertise

Extensive experience with

RF link budget analysis

and understanding of system-level trade-offs.

Strong background in waveform design, and modulation techniques.

Expertise in calculating and optimizing

data rates

across communication links while ensuring reliability and minimizing latency.

Knowledge of RF propagation in both terrestrial and space environments, including challenges such as Doppler shift, attenuation, interference, and plasma effects during re-entry.

Understanding of antenna theory and design principles for spaceborne and missile communication systems.

Familiarity with key communication standards and protocols, including MIL-STD.

Strong analytical and problem‑solving skills with the ability to work in a fast‑paced, mission‑driven environment.

Exceptional communication abilities, including technical writing and presenting complex analyses to technical and non‑technical audiences.

Education and Experience

Bachelor's Degree

in Electrical Engineering, Communications Engineering, RF Engineering, or related field (Master's or Ph.D. preferred).

8+ years

of experience designing and analyzing RF systems for space or missile platforms.

Required Security Clearance

Must have Active Secret Clearance with TS/SCI Eligibility.

Benefits

Starting PTO accrual of 20 days PTO/year + 10 holidays/year

Flexible schedules

6% 401k match with immediate vesting up to $9k annually

Semi‑annual bonus eligibility (July and December)

Company funded Employee Stock Ownership Plan (ESOP) – a separate qualified retirement account

Up to $10,000 in annual educational reimbursement

Other company funded benefits, like life and disability insurance

Optional zero deductible Blue Cross/Blue Shield health insurance plan

Interesting Work: Our co‑workers support some of the most important and critical programs to our national defense and security.

Values: Our first core value is that employees come first. We challenge our co‑workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.

100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town‑hall meetings three times a year.

Track Record of Success: We have grown every year since our founding in 1993.

Modern Technology Solutions, Inc. (MTSI) is a 100% employee‑owned engineering services and solutions company that provides high‑demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance. MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

MTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.

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