GNC Engineer II
Acara Solutions
Job Title: GNC Engineer
Location: Leander, TX
Employment Type: Direct Hire
Industry: Aerospace & Defense
Compensation: 150k /year.
Schedule: 40 hrs/Week.
About the Opportunity:
- In this role, you will develop GNC and simulation software tailored to high-speed flight regimes, perform dynamic analyses across diverse trajectory profiles, and support mission operations while building breadth across multiple vehicle programs.
- This position offers hands-on experience with launch vehicle ascent guidance, hypersonic guidance algorithms, attitude control in high dynamic pressure environments, and real-time flight operations in a fast-paced environment.
Why You'll Love Working Here:
- Supportive, team-driven culture that values collaboration, transparency, and accountability.
- Opportunity to grow your career with a global workforce solutions leader serving multiple industries.
- People-first environment that encourages employees to bring their authentic selves to work.
- Strong focus on partnership, innovation, and delivering meaningful results for clients and candidates.
Why This Opportunity is Exciting:
This role offers the opportunity to join a company that prioritizes both people and performance-where your contributions directly impact client success while providing you with room to grow and develop professionally.
About Acara Solutions
Acara is a premier recruiting and workforce solutions provider- we help companies compete for talent. With experience across industries worldwide, we partner with clients, listen to their needs, and design talent solutions that deliver the business outcomes they want. We draw on decades of experience to provide contingent staffing, direct placement, executive search, and workforce services worldwide.
Sound like a good fit?
TODAY
What You'll Do:
- You will deepen your technical capabilities in flight mechanics and controls, with particular emphasis on hypersonic applications, taking ownership of system elements and software tools supporting the client's expanding vehicle portfolio.
- Develop and validate GNC software to ensure successful mission execution across multiple vehicle programs.
- Design and tune attitude determination and control algorithms for all phases of flight, including boost, ascent, and terminal phases.
- Perform 6DOF dynamic analysis of nominal and dispersed trajectories including aerodynamic heating effects, trajectory shaping, and range optimization.
- Develop and maintain simulation models for aerodynamics, hypersonic thermal constraints, propulsion systems, sensors, and actuators.
- Create tools to automate workflows, process flight data, and generate technical reports for vehicle performance.
- Conduct stability analysis, sensitivity studies, and hardware-in-the-loop testing of GNC systems under flight conditions, including off-nominal scenarios.
- Interface with cross-discipline teams (aerodynamics, propulsion, structures, thermal) to integrate GNC software with vehicle hardware.
- Support trajectory optimization and targeting for mission profiles including launch vehicles and high-speed flight regimes.
- Serve as a GNC console operator for vehicle launch operations and perform post-flight analysis to improve vehicle models and performance predictions.
- Author technical documentation and analysis reports that communicate GNC concepts and results to diverse audiences.
- Build proficiency across GNC competencies while contributing to continuous improvement of GNC processes and tools.
Job Requirements
What You'll Bring:
- Bachelor's Degree in Aerospace Engineering or Mechanical Engineering or Electrical Engineering or Physics or Mathematics or Computer Science.
- 2+ years of experience in aerospace guidance, navigation, and control.
- 2+ years of experience in Python for scripting, data analysis, and visualization.
- 2+ years of Hypersonic experience.
- 2+ years of experience in trajectory and mission design.
What Sets You Apart:
- Master's Degree in Aerospace Engineering.
- PhD.
- Understanding of flight mechanics, aerodynamics, and attitude dynamics.
- Familiarity with numerical simulation techniques, integration methods, and modeling of dynamic systems.
- Familiarity with C++ for real-time or flight-critical applications.
- Understanding of software development best practices, including version control (Git), code documentation, and testing.
- Good written and verbal communication skills.
- Focus on GNC, flight mechanics, hypersonics, or controls.
- Experience supporting launch vehicle or hypersonic vehicle GNC across development, integration, and flight.
- Experience with high-speed or hypersonic flight test, wind tunnel testing, or flight dynamics analysis.
- Knowledge of aerodynamic and aerothermal effects on vehicle performance and control, particularly in high-speed flight regimes.
- Understanding of trajectory optimization techniques for hypersonic mission profiles including skip trajectories, boost-glide profiles, and multi-phase mission design.
- Proficiency in C++ for embedded systems or real-time applications.
- Knowledge of state estimation techniques including Kalman filtering, sensor fusion, and covariance analysis.
- Experience with control allocation and adaptive control techniques for vehicles with varying control authority.
- Familiarity with modern flight software frameworks and real-time operating systems.
- Familiarity with CI/CD workflows and automated testing practices.
- Experience with Linux development environments and command-line tools.
- Exposure to flight test campaigns, launch operations, or mission operations.
- Understanding of multi-phase trajectory design for vehicles transitioning between propulsion modes or flight regimes.
- Good GNC background, especially for suborbital or hypersonic applications.
Additional Information:
- Upon offer of employment, the individual will be subject to a background check and drug screen.
After you , you may receive a call or message from our AI Talent Scout about this role or other opportunities that match your skills and preferences. AI agent role is to help speed up your hiring process by answering questions, confirming basic information, and identifying whether there's a mutual fit.
The call or chat may be recorded so that our recruiting team can review it - they make all final hiring decisions, while AI agent simply helps move you forward faster. The best part? They are available 24/7, so you can connect whenever it's convenient for you.
By ing for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Acara Solutions and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may . Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy at Website Privacy Policy | Acara
Aleron companies (Acara Solutions, Aleron Shared Resources, Broadleaf Results, Lume Strategies, TalentRise, Viaduct) are an Equal Opportunity Employer. Race/Color/Gender/Religion/National Origin/Disability/Veteran.
Applicants for this position must be legally authorized to work in the United States. This position does not meet the employment requirements for individuals with F-1 OPT STEM work authorization status.
- ...looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.SUMMARYAs a GNC Engineer at Firefly, you will design, analyze, and operate the GNC systems of operational launch vehicles. In this role, you will develop...SuggestedPermanent employmentTemporary workFlexible hours
$105k - $110k
...Job Title: Avionics Manufacturing Engineer II Location: Leander, TX Employment Type: Direct Hire Industry: Aerospace & Defense Compensation: $105K- $110K/Year Schedule: 40 Hours/Week Client offers full benefits and relocating if needed About the...SuggestedFull timeInternshipWorldwideRelocation- ...on the Moon. Firefly Aerospace is seeking a Mission Operations Engineer II. We are scaling our operations for complex, multi-manifested missions... ...framework for one or more spacecraft subsystems (e.g., GNC, Thermal), authoring mission-critical procedures and automation...SuggestedPermanent employmentTemporary workRemote workFlexible hoursShift work
$53 - $63 per hour
...Job Title: Wire Harness Electrical Engineer II Location: Austin, TX (onsite, with possible remote for a very strong candidate) Employment Type: 6+ month contract (possible contract-to-direct) Industry: Space Compensation: $53-$63/hr About the Opportunity...SuggestedContract workTemporary workRemote workWorldwide- ...innovators to join our team and help fuel our successful trajectory into space. SUMMARYWe are seeking a Spacecraft Functional Test Engineer II to join our Assembly, Test and Launch Operations (ATLO) organization and play a key role in verifying spacecraft performance from...SuggestedPermanent employmentTemporary workFlexible hours
- .... SUMMARYWe welcome you to join Firefly as a Spacecraft Systems Engineer, to leverage your creative and technical expertise for the development... ...from SRR to mission operations.Strong working knowledge of GNC analysis and cislunar mission planning.Strong working knowledge...Permanent employmentTemporary workFlexible hoursShift work
- Mechanical Engineer II (spacecraft Mechanisms) Lead the development of mechanical separation and interfacing systems for spacecraft from concept to production. Location: Cedar Park, Texas, United States About The Role Firefly Aerospace is looking for a mechanical engineer...Permanent employmentTemporary workFlexible hours
- Mechanical Engineer II SUMMARY Firefly Avionics Mechanical Engineers will leverage their creative design and experience to develop electronics enclosures, mechanical components, integration hardware, tooling, and test fixtures for launch vehicles. Qualified candidates...Internship
- ...will be in our Cedar Park, TX locationSUMMARYFirefly Aerospace is looking for a talented and highly motivated Avionics Manufacturing Engineer to help lead the charge to scale up our in-house production capabilities to align with the launch schedule and exciting product...Permanent employmentTemporary workInternshipFlexible hours
- ...hardworking innovators to join our team and help fuel our successful trajectory into space.About the RoleThe position of Propulsion Engineer II within the Spectre Engine team at Firefly involves leveraging creativity, ingenuity, and experience to develop hypergol engines...Permanent employmentTemporary workFlexible hours
- ...looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.SUMMARYAs a Senior GNC Engineer at Firefly Aerospace, you will design and implement advanced control systems, autonomous flight software, and guidance...Permanent employmentTemporary workFlexible hours
- ...all fluid subsystems across Fireflys spacecraft. As a Responsible Engineer, you will work across the full lifecycle of hardware, including... ...analysis using software packages such as Ansys, Caesar II, Bentley Autopipe, etc.Experience reducing the complexity of large...Permanent employmentTemporary workFlexible hours
- ...innovators to join our team and help fuel our successful trajectory into space. SUMMARYFirefly is looking for a hungry mechanical engineer to develop our state-of-the-art mechanical separation and interfacing systems throughout the product life cycle. You will be part...Permanent employmentTemporary workFlexible hours
- ...passionate, hardworking innovators to join our team and help fuel our successful trajectory into space. SUMMARYFirefly Electrical Engineers in the Interconnect team are responsible for developing the electrical wiring interconnect systems (EWIS) that distribute power and...Permanent employmentTemporary workFlexible hours
- Firefly Aerospace, headquartered near Austin, Texas, is seeking a Senior GNC Engineer III to design and implement advanced control systems, flight software, and guidance algorithms for operational launch vehicles. You will tune attitude control software, optimize trajectories...
- Firefly Aerospace is looking for a Senior GNC Engineer in Cedar Park, Texas, to lead trajectory design and guidance algorithm development for launch vehicles. The role requires 5-10 years of experience in aerospace engineering, a Bachelor's degree, and strong skills in...Flexible hours
- ...needs of our Alpha launch vehicle, Eclipse launch vehicle, Blue Ghost lunar landers, and Elytra spacecraft. Our team of responsible engineers own their products for the entire product lifecycle; from initial conception through qualification and handoff to the production...Permanent employmentTemporary workFlexible hours
- ...passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.SUMMARYA Firefly Electrical Engineer - Spacecraft Avionics is responsible for the design, development, and testing of avionics systems on our spacecraft. In this role,...Permanent employmentTemporary workFor subcontractorFlexible hours
- ...for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space. SUMMARY As a Senior GNC Engineer specializing in trajectory design at Firefly, you will design and optimize trajectories and guidance algorithms for operational...Permanent employmentTemporary workFlexible hours
- ...Job Title: Project Engineer - Mechanical Company: Loenbro, LLC Business Unit/Department: South Region - Mechanical / Structural... ...AutoCAD, MicroStation) and pipe stress analysis tools (e.g., CAESAR II, ANSYS). Strong understanding of relevant piping codes and...Full timeWork at officeLocal area
- ...hardworking innovators to join our team and help fuel our successful trajectory into space. SUMMARY Firefly Avionics Mechanical Engineers will leverage their creative design and experience to develop electronics enclosures, mechanical components, integration hardware,...Internship
- ...hardworking innovators to join our team and help fuel our successful trajectory into space. SUMMARYAs a Firefly System Configuration Engineer, you will be the key focal point for vehicle level configuration management of Firefly products. You will own top-level integrated...Permanent employmentTemporary workFlexible hours
- ...for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space. SUMMARYAs a Analysis Engineer on the Mechanical Engineering Team, you will be responsible for analysis of various structures across multiple projects including...Permanent employmentTemporary workFlexible hours
- ...team and help fuel our successful trajectory into space.SUMMARYThe Launch Site Development team is hiring for high-impact, dynamic engineering positions for those who thrive on solving real problems in diverse environments. Lead the development and execution of mission-...Permanent employmentTemporary workFlexible hoursShift work
- ...looking for passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.SUMMARY The Payload Engineer II is responsible for the design, analysis, development, and qualification of the payload segment and mechanical interfaces to...Permanent employmentTemporary workFlexible hours
- ...Propulsion Test Engineer Location: Onsite in Leander, TX Employment Type: Full-Time Reports To: Director of Engineering Position Overview We are seeking a hands-on Propulsion Test Engineer to design, build, operate, and support propulsion and ballistic...Permanent employmentFull time
- ...passionate, hardworking innovators to join our team and help fuel our successful trajectory into space.SUMMARYAs a Principal Spacecraft GNC Engineer specializing in controls and autonomy at Firefly, you will design and implement advanced control systems and autonomous flight...Permanent employmentTemporary workFlexible hours
- ...Description Job Title: Mechanical Engineer IV Location: Leander, TX Employment: Contract to Hire (6 months) Industry: Aerospace & Defense Compensation: $ 75-85 /hour Schedule: 40 hours /week About the Opportunity: Client is looking for an experienced mechanical...Contract workWorldwide
$90k - $120k
...procedures.Other duties as assigned.QualificationsQualifications of Electrical Designer: · Experience in AutoCAD and SKM· Electrical Engineering degree· Electrical Designer must be legally authorized to work in the United States.· Electrical Designer must be able to pass a...Work at officeNight shift- Job Description We are seeking an Electrical Service Project Manager to oversee service projects from estimating through completion while building strong customer relationships and supporting business development efforts. This role is a mix of project management, estimating...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to GNC Engineer II. Be the first to apply!


