Senior Specialist, Mechanical Integration Engineer

L3Harris Technologies; Chantilly (VA); On-site; USD 102,000 - 189,000; Full time

Benefits offered by this job

Health and disability insurance

401(k) match

Flexible spending accounts

Education assistance

Parental leave

Paid time off

Company-paid holidays

Job summary

L3Harris Technologies is seeking a Senior Specialist in Integration & Test Engineering (Mechanical Integration) to own the integration, testing, and operational adoption of complex communications systems. You will configure hardware/software platforms, diagnose issues, and translate system updates into practical training for users.

You will work with design teams, customers, and cross-functional partners in a fast-moving environment where technical judgment and clear communication matter; travel

Qualifications

• 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.
• Active TS/SCI w/ Poly Clearance is required.
• Strong communication, training skills, and ability to work with customers and leadership.
• Experience leading small, diverse teams in fast-paced environments while staying humble and collaborative.

Responsibilities

• Set up, configure, and document hardware and software systems for testing, including loading both custom and commercial software onto multiple platforms.
• Develop and lead structured training sessions that help users understand and retain what they're learning.
• Build, configure, troubleshoot, and integrate new and existing hardware packages to roll out upgrades, deploy applications, and enhance system capabilities.
• Take full responsibility of the hardware configuration process, master the system inside and out, and train others to use it effectively.
• Support day-to-day training system operations and keep everything running smoothly.
• See training classes through from start to finish, making sure participants leave confident and capable.
• Travel occasionally to support training and system integration at different locations.

Skills

TS/SCI Clearance

Train-the-trainer

Leadership

Customer interaction

MS Word & PowerPoint

System integration

Education

Bachelor’s Degree

Graduate Degree (preferred)

10+ years experience in lieu of degree

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

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:

• Set up, configure, and document hardware and software systems for testing, including loading both custom and commercial software onto multiple platforms.
• Develop and lead structured training sessions that help users understand and retain what they're learning.
• Build, configure, troubleshoot, and integrate new and existing hardware packages to roll out upgrades, deploy applications, and enhance system capabilities.
• Take full responsibility of the hardware configuration process, master the system inside and out, and train others to use it effectively.
• Support day-to-day training system operations and keep everything running smoothly.
• See training classes through from start to finish, making sure participants leave confident and capable.
• Travel occasionally to support training and system integration at different locations.

Qualifications:

• 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.
• Active TS/SCI w/ Poly Clearance is required.

Preferred Additional Skills:

• Solid understanding of engineering principles, particularly verification and validation processes.
• US Military Training Certifications are a big plus.
• Self-starter who can work independently without needing constant direction.
• Comfortable working directly with customers and their leadership teams.
• Eager to learn through self-study, hands‑on experience, and pick up knowledge from teammates.
• Proven ability to lead small, diverse teams in fast‑paced environments while staying humble and collaborative.
• Strong communicator in both speaking and writing, with solid skills in MS Word and PowerPoint.
• Experience explaining complex technical topics to different audiences, whether that's fellow engineers, program managers, or customer leadership.
• Proficient in developing and working with MS Excel spreadsheets and data.
• 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.

L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug‑free workplace and performs pre‑employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.