Mission Systems/Navigation SME Engineer

Overview

i3 is seeking a Mission Systems/Navigation SME Engineer to provide expert-level support in military aircraft avionics integration, navigation systems, mission planning software, and navigation database qualification. This role supports key Army aviation programs and other government agencies, offering both technical expertise and corporate guidance on aviation contracts, program strategy, and business development.

Responsibilities

As a Mission Systems/Navigation SME Engineer your duties will include the following, but are not limited to: 

• Lead and support integration of military aircraft avionics and navigation systems.

• Provide subject matter expertise in M-code GPS, INS/EGI, Doppler sensors, TACAN, and VOR/ILS systems.

• Support development and implementation of Performance Based Navigation (PBN) capabilities, including GATM, CNS/ATM, RNP RNAV, RNP-.3/1/5, and P-RNAV/B-RNAV.

• Contribute to mission or flight management system architecture, requirements, and development activities.

• Support Army mission planning software applications, updates, and integration efforts.

• Develop and/or review Navigation Database Qualification (NDQ) and Data Quality Requirements (DQR).

• Conduct system-level analysis, testing, and validation of navigation and mission systems.

• Coordinate with engineering teams, program leadership, and customers to address technical issues and ensure compliance with program requirements.

• Prepare technical documentation, briefings, and status reports for leadership and stakeholders.

• Provide corporate guidance and subject matter expertise on aircraft maintenance, programmatic strategy, and new contracts within aviation domains (Logistics, Programmatic, Technical).

• Develop and support business opportunities with Other Government Agencies (OGA), including US Air Force “Big Safari”, CBP, FBI, DOS, and other aviation programs.

• Contribute to request for proposal (RFP) responses, capturing strategies, and corporate-level planning for aviation contracts.

• Support and conduct Program Management Reviews and provide insights on programmatic, technical, and operational matters.

• Develop and update operational manuals and guidance documents, such as Flight and Ground Operations manuals.

Qualifications

• Master’s degree in Engineering or a related field; 12 + years of experience in mission systems, navigation systems, or avionics engineering. OR

• Bachelor’s degree in Engineering or a related field; 15+ years of experience in mission systems, navigation systems, or avionics engineering.

• Strong expertise in military aircraft avionics integration.

• Hands-on experience with military aircraft navigation systems, including:

• M-code GPS

• INS/EGI systems

• Doppler nav sensors

• TACAN and VOR/ILS radios

• ​Knowledge of Performance Based Navigation (PBN) standards (GATM, CNS/ATM, RNP RNAV, RNP-.3/1/5, P-RNAV/B-RNAV).

• Experience with mission or flight management system development.

• Familiarity with Army mission planning software applications and workflows.

• Experience developing or reviewing navigation database qualification and data quality requirements.

• Strong analytical, documentation, and communication skills.

• U.S. Citizenship

• Active Secret Clearance required.

Knowledge/Skills:

• Knowledge of office administration and procedures.

• Exceptional judgment capabilities and relationship management skills.

• Excellent communication, teamwork, and client service skills; ability to clearly communicate in discussions and written documents, and to deliver feedback clearly and tactfully.

• Interact with a diverse array of customers and staff in a professional and courteous manner.

• Work independently with accountability for accurate and complete results.

• Be extremely organized and exceptionally detail oriented.

• Work well both independently and in a team environment.

• Be energized by a fast-paced work environment.

• Must be able to communicate with others effectively.

• Analyze information and respond appropriately.

• Manage time wisely and prioritize tasks.

• Provide superior customer service. 

• Multi-task in a pleasant manner.

• Work well under pressure.

Physical Demands:

• The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.

• While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; handle or feel; and reach with hands and arms.

• The employee is occasionally required to sit; climb or balance; and stoop, kneel, crouch or crawl. The employee must be able to lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds.

• Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception and ability to adjust focus.

• Regular i3 hours are 8:00 a.m. - 5:00 p.m. Monday-Friday, however, additional hours may be required on occasion. Regular and punctual attendance is required.

About i3

i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.

Perks of being a team member owner include:

• Long-term financial security

• Higher job satisfaction

• Greater job security

• Personal and professional growth

• Great company culture

Other outstanding benefits:

• Excellent insurance coverage

• 401(k) match

• Generous PTO

• Health and wellness incentives

• Tuition and certification reimbursement

• Countless opportunities to give back to the community through i3 Cares

We work hard. We compete hard. We play hard. Apply now to join us!

Job LocationsUS-AL-Huntsville

ID 2026-5132

Type Full-Time

Clearance Secret Clearance Required