{"id":2155484,"url":"https://alion.io/job/enersys-field-applications-engineer","title":"Field Applications Engineer","company":{"id":1928995,"name":"EnerSys","domain":"enersys.com","url":"https://alion.io/company/enersys-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bolton, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":75900,"max":94800,"currency":"CAD","period":"year","gross":null,"usd_annual":66565},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Linux","optional":false},{"name":"MQTT","optional":false},{"name":"TCP/IP","optional":false},{"name":"Unix","optional":false}],"status":"live","first_seen_at":"2026-10-02T00:00:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-12T14:35:46Z","board_verified":true,"closed_at":null,"days_open":10,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":10},"description":"EnerSys is a global leader in stored energy solutions for industrial applications. We have over thirty manufacturing and assembly plants worldwide servicing over 10,000 customers in more than 100 countries. Worldwide headquarters are located in Reading, PA, USA with regional headquarters in Europe and Asia. We complement our extensive line of Motive Power and Energy Systems with a full range of integrated services and systems. With sales and service locations throughout the world, and over 100 years of battery experience, EnerSys is the power/full solution for stored DC power products.\nWhat We’re Offering\nPaid Holidays\nMedical, vision and dental\nLife Insurance, long term disability\nTuition reimbursement plan\nDefined Pension Plan\nCompensation Range: $75,900.00 - $94,800.00\nCompensation may vary based on applicant's work experience, education level, skill set, and/or location.\nThis is a current vacant position.\nJob Purpose\nThe Field Applications Engineer supports the reliability, availability, and performance of battery-buffered DC fast charging and energy storage systems deployed in the field. Working closely with Field Service, Engineering, Operations, and Site Reliability Engineering, this position troubleshoots complex hardware, software, firmware, communication, networking, and vehicle-interoperability issues; analyzes system logs and fleet data; reproduces field failures; and validates corrective actions before and after deployment. This is a hands-on, cross-functional engineering role for someone interested in developing expertise across EV charging, battery energy storage, embedded systems, power electronics, networking, software, and data analytics. Approximately 30% travel is required, including international travel.\nEssential Duties and Responsibilities\nMaintain and improve the reliability, availability, and performance of deployed battery-buffered DC fast charging stations.\nWork closely with Enersys Service team to resolve issues\nTroubleshoot complex hardware, software, firmware, communications, networking, and system-level issues affecting charger operation.\nLead or support root-cause investigations into charger downtime, unexpected reboots, failed charging sessions, recurring faults, and degraded performance.\nPerform EV interoperability and compatibility testing across different vehicle manufacturers, models, and charging implementations.\nAnalyze charging protocols, system logs, telemetry, fault data, and charging-session behavior to diagnose vehicle-to-charger compatibility issues.\nQA/testing in Embedded or IoT systems - Develop software, scripts, diagnostic utilities, automated tests, and data-analysis tools that improve troubleshooting and system validation.\nReproduce field failures in test environments and validate engineering fixes before deployment.\nPartner closely with Site Reliability Engineering to analyze large operational datasets and identify systemic reliability trends across the charging fleet.\nDevelop metrics, dashboards, and analytical methods for understanding charger uptime, downtime, reboot frequency, fault recurrence, charging success rates, and recovery performance.\nCorrelate software releases, hardware configurations, vehicle types, environmental conditions, and operational events with reliability outcomes.\nTranslate field and fleet data into actionable engineering recommendations and clearly defined problem statements for hardware and software development teams.\nSupport deployment and validation of corrective actions and measure their effectiveness after release.\nCollaborate across electrical, mechanical, firmware, software, systems, test, operations, field service, and SRE teams to drive issues through root cause and permanent resolution.\nDocument technical investigations, root causes, corrective actions, test results, and lessons learned to continuously improve the charging platform. \nQualifications\nBachelor’s degree in Mechatronics Engineering, Electrical Engineering, Computer Engineering, or a related engineering discipline.\nFamiliarity with Linux/Unix environments and programming languages such as C and C++.\nElectrical troubleshooting fundamentals, including the ability to read and interpret wiring diagrams, schematics, and circuit diagrams.\nAbility to collect, interpret, and analyze system logs, communication traces, diagnostic data, telemetry, and error codes to support troubleshooting and fault investigation.\nStrong problem-solving and analytical skills, with the ability to perform structured troubleshooting and root cause analysis.\nBasic familiarity with high-voltage electrical systems and electrical safety principles.\nBasic understanding of computer networking, including TCP/IP and IP-based communications.\nFamiliarity with industrial and IoT communication protocols such as Modbus and MQTT.\nUnderstanding of common embedded communication buses and protocols, including CAN, I²C, and SPI.\nStrong technical communication and report-writing skills, with the ability to clearly document problems, investigations, findings, and recommended corrective actions.\nAbility and willingness to learn new technologies spanning EV charging, battery energy storage, power electronics, embedded systems, software, networking, and data analytics.\nValid driver’s license.\nAbility and willingness to travel approximately 30%, including international travel to locations such as France, Italy, and the United States.\nEnerSys is committed to employment equity and fostering a workplace that respects and values diversity, inclusion, and dignity for all.\nWe provide equal employment opportunities to all employees and applicants, and strictly prohibit discrimination or harassment of any kind based on race, colour, religion, age, sex, national or ethnic origin, citizenship, disability, sexual orientation, gender identity or expression, marital or family status, or any other characteristic protected by applicable Canadian and provincial laws\".\nWe encourage applications from members of equity-deserving groups, including women, Indigenous Peoples, racialized persons, persons with disabilities, and members of the 2SLGBTQIA+ community.","description_format":"text","description_chars":6150,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Life insurance"],"hiring_locations":[{"name":"United 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