Senior Mechanical Engineer – Ruggedized Comm Systems

OTTO Engineering, Inc.; Carpentersville (IL); On-site; USD 110,000 - 125,000; Full time

Benefits offered by this job

Profit Sharing Bonus

Vacation 120 hours

401(k) with company match

Health insurance

Vision insurance

Life insurance

10 paid holidays

Holiday party

Disability insurance

Job summary

OTTO Engineering, Inc. is seeking a Senior Mechanical Engineer IV for its Communications division in Illinois. You will lead the mechanical design, develop ruggedized communication products, and own system‑level architecture from concept to production release.

This role requires high autonomy and strong mentoring of junior engineers. You will define architectures, supervise schedules, perform CAE analyses, and collaborate with engineering, manufacturing, and vendors to meet stringent MIL‑STD and

Qualifications

• Bachelor’s degree in Mechanical Engineering is required.
• Minimum 7 years of mechanical engineering experience, with CREO CAD preferred.
• Expertise in plastics, elastomers, die‑cast metals, overmolding, and PCB integration.
• Strong DFM/DFA, tolerance analysis, and ruggedization knowledge.
• Demonstrated ability to lead complex projects with minimal supervision.
• Excellent oral and written communication skills.
• Ability to thrive in a fast‑paced, hands‑on engineering environment.

Responsibilities

• Define mechanical concepts and system architectures for ruggedized comms products.
• Set schedules, milestones, and deliverables aligned with customer and internal timelines.
• Perform stress, thermal, and environmental analyses and review CAE results.
• Develop 3D CAD layouts in CREO and mentor junior engineers.
• Prototype, test, and iterate designs to meet IP ratings and MIL‑STD requirements.
• Prepare drawings, BOMs, ECNs, specs, and verification reports.
• Lead cross‑functional coordination across engineering, manufacturing, quality, supply chain, vendors, and customers.
• Provide production and quality support including root‑cause analysis and design improvements.
• Participate in MRB activities and drive engineering best practices.
• Mentor Mechanical Engineer I–III and support additional duties as needed.

Skills

Mechanical CAD

DFM/DFA

Tolerance analysis

Ruggedization

Project leadership

Communication skills

Education

Bachelor’s degree in Mechanical Engineering

Tools

CREO CAD

Job description

OTTO Engineering, Inc. is seeking a Senior Mechanical Engineer IV for its Communications division in Illinois. You will lead the mechanical design, develop ruggedized communication products, and own system‑level architecture from concept to production release.

This role requires high autonomy and strong mentoring of junior engineers. You will define architectures, supervise schedules, perform CAE analyses, and collaborate with engineering, manufacturing, and vendors to meet stringent MIL‑STD and