If you are a talented and experienced Principal Engineer, Aplin has the right chance for you Our client, a leader in their field, has partnered with Aplin to grow their team in Halifax, Nova Scotia

Compensation

- Expected salary range is between $100,000 – $140,000 per annum, commensurate with experience

Key Responsibilities

- Act as the technical authority within your specialist domain, providing guidance throughout the engineering lifecycle.
- Work closely with multidisciplinary engineering teams to develop robust, innovative, and cost-effective solutions that meet customer and project requirements.
- Lead and support root cause investigations and implement corrective and preventive actions to improve product robustness in accordance with established Failure Review Board processes.
- Drive innovation and help define technical roadmaps within your specialist area.
- Develop and substantiate engineering solutions through analysis, modelling and simulation, testing, and experimentation.
- Effectively communicate technical concepts, risks, recommendations, and solutions to technical and non-technical stakeholders.
- Provide technical mentoring and guidance to junior engineers and contribute to the development of engineering capabilities across the organization.

Role Requirements

- Detailed knowledge of the Systems Engineering lifecycle, including formal processes and methodologies, preferably within the defence sector.
- Experience communicating and working with a wide range of stakeholders, including senior management and external customers.
- Strong technical leadership and problem-solving capabilities within a specialized engineering discipline.

Qualifications & Experience





- Master’s or PhD in a relevant technical discipline. Examples include Materials Science, Acoustic Engineering, Mechanical Engineering, Ceramic Engineering, Metallurgical Engineering, or Polymer Engineering.
- 12+ years of engineering experience within defence, aerospace, marine, or subsea environments.
- Demonstrated technical authority and expertise in one or more of the identified specialist domains.
- Experience with sonar, underwater acoustics, or sonobuoy systems is highly desirable.
- Experience with several of the following engineering and modelling tools: SolidWorks, COMSOL, MATLAB/Simulink, OrcaFlex, ProteusDS, Gazebo, Bellhop, Wader, or equivalent.

Specialist Areas: Acoustics

- Experience developing acoustic models for sonar, sonobuoy, or underwater sensing systems to predict system performance, detection range, and operational behaviour.
- Strong understanding of underwater acoustics, acoustic propagation, beamforming, signal generation, and acoustic performance analysis.
- Experience interpreting customer and system requirements to develop acoustic performance specifications and verification strategies.
- Experience with supplier material and process governance, including quality, traceability, and process control.




- Experience analysing and correlating modelling results with laboratory, tank, or sea‑trial test data.
- Familiarity with acoustic modelling tools such as COMSOL, Bellhop, MATLAB, Wader, or equivalent.

Engineering Analysis & Materials

- Expertise in multi‑material systems, particularly metallic, polymer, ceramic, and adhesive materials.
- Strong understanding of corrosion, fatigue, fracture mechanics, pressure effects, and environmental degradation.
- Familiarity with additive manufacturing, including process selection and qualification, Design for Additive Manufacturing (DfAM), and polymer and metal AM technologies.
- Experience with environmental design and qualification of mission‑critical systems operating in harsh environments.
- Experience with modelling and simulation, including FEA, fracture mechanics, viscoelastic modelling, thermal modelling, and corrosion modelling.
- Experience with hydrodynamic modelling is considered an asset.

Transducers

- Experience in the design, development, analysis, and qualification of electroacoustic transducers for underwater applications.
- Strong understanding of piezoelectric materials, ceramics, polymers, composites, and associated manufacturing processes.
- Experience translating system and acoustic requirements into transducer performance specifications and detailed designs.
- Experience with transducer modelling using analytical methods, finite element analysis (FEA), or multiphysics simulation tools such as COMSOL.
- Knowledge of transducer characterization, including impedance analysis, sensitivity, bandwidth, directivity, and power handling.
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📌 Principal Engineer (Halifax Regional Municipality)
🏢 Aplin
📍 Halifax Regional Municipality