L3HHCM20
Senior Specialist, Mechanical Integration Engineer
L3HHCM20 is hiring a Senior Specialist, Mechanical Integration Engineer in Chantilly, VA, US. Posted September 21, 2026.
Job at a glance
- Company
- L3HHCM20
- Location
- Chantilly, VA, US
- Sector
- Engineering & Technology
- Posted
- September 21, 2026
About the job
Job Title: Senior Specialist, Integration & Test Engineer (Mechanical Integration Engineer) Job Code: 44812 Job Location: Chantilly, VA (On-Site) Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off
Job Description:
Own the integration, testing, and operational adoption of complex communications systems. You will configure hardware and software platforms, diagnose and resolve technical issues, and turn system updates into practical, hands-on training for users. Success in this role means reliable, mission-ready systems and users who can operate them with confidence. You will work closely with design teams, customers, and cross-functional partners in a fast-moving environment where technical judgment and clear communication matter.
Essential Functions:
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Set up, configure, and document hardware and software systems for testing, including loading both custom and commercial software onto multiple platforms.
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Develop and lead structured training sessions that help users understand and retain what they're learning.
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Build, configure, troubleshoot, and integrate new and existing hardware packages to roll out upgrades, deploy applications, and enhance system capabilities.
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Take full responsibility of the hardware configuration process, master the system inside and out, and train others to use it effectively.
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Support day-to-day training system operations and keep everything running smoothly.
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See training classes through from start to finish, making sure participants leave confident and capable.
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Travel occasionally to support training and system integration at different locations.
Qualifications:
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Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
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Active TS/SCI w/ Poly Clearance is required.
Preferred Additional Skills:
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Solid understanding of engineering principles, particularly verification and validation processes.
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US Military Training Certifications are a big plus.
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Self-starter who can work independently without needing constant direction.
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Comfortable working directly with customers and their leadership teams.
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Eager to learn through self-study, hands-on experience, and pick up knowledge from teammates.
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Proven ability to lead small, diverse teams in fast-paced environments while staying humble and collaborative.
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Strong communicator in both speaking and writing, with solid skills in MS Word and PowerPoint.
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Experience explaining complex technical topics to different audiences, whether that's fellow engineers, program managers, or customer leadership.
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Proficient in developing and working with MS Excel spreadsheets and data.
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Train-the-trainer certifications are highly valued.
In compliance with pay transparency requirements, the salary range for this role in Virginia is $102,000 - $189,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
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