Senior / Systems Engineer (Battery & Energy Storage Systems)

Altınay Savunma Teknolojileri; Pendik; On-site; TRY 350,000 - 520,000; Full time

Job summary

Altınay Savunma Teknolojileri in Istanbul (Pendik) seeks a Senior / Systems Engineer to lead battery and energy storage systems projects for defense applications. You will guide concept design, system integration, testing, and product lifecycle management across diverse platforms.

The role requires a strong background in electrical/electronic engineering, 3+ years with battery systems, and experience with MIL-STD standards.

Qualifications

• Bachelor's degree in an engineering field relevant to battery and ESS.
• Minimum 3 years of experience in battery systems or high-voltage power distribution.
• Strong knowledge of systems engineering processes and V-Model.
• Good command of English for technical documentation.

Responsibilities

• Analyze requirements and develop system requirements for battery and ESS across land, naval, aerial, and unmanned platforms.
• Contribute to design, integration, testing, and validation processes.
• Prepare production/assembly instructions and apply Design for Manufacturing (DFM).
• Perform test planning per MIL-STD-810 and MIL-STD-461 standards.
• Collaborate with Mechanical, Electronics, Software, Quality, and Production teams.

Skills

Systems engineering

Energy sizing calculations

Electrical power distribution

English language

Field activities

Team collaboration

BMS experience

3+ years battery systems

V-Model

DFMEA/PFMEA awareness

Education

Bachelor's degree in Electrical & Electronics Engineering / related field

Tools

Modeling software

Job description

Senior / Systems Engineer – Battery & Energy Storage Systems

As Altınay Savunma Teknolojileri, we are looking for a Senior / Systems Engineer to join our Battery and Energy Storage Systems (BESS/ESS) projects developed for the defense industry.

In this role, you will play an active part throughout the entire product lifecycle, from concept design and system integration to testing and validation, mass production, field commissioning, and product lifecycle management.

Responsibilities

• Analyze requirements and develop system requirements for battery and energy storage systems designed for land, naval, aerial, and unmanned platforms.
• Ensure traceability of system and subsystem requirements.
• Contribute to the design, integration, testing, and validation processes of BMS, high-/low-voltage power distribution systems, and thermal management systems.
• Conduct testing, commissioning, and platform integration activities in both laboratory and field environments.
• Support the resolution of technical issues encountered during mass production processes.
• Contribute to the preparation of production and assembly instructions and apply Design for Manufacturing (DFM) principles.
• Conduct ECR/ECO, Root Cause Analysis (RCA), and technical sustainability activities throughout the product lifecycle.
• Prepare and execute test plans in accordance with MIL-STD-810, MIL-STD-461, and relevant battery safety and validation standards.
• Work collaboratively with Mechanical, Electronics, Software, Quality, and Production teams.

Qualifications

• Bachelor's degree in Electrical & Electronics Engineering, Electrical Engineering, Mechanical Engineering, Mechatronics Engineering, Control & Automation Engineering, Systems Engineering, or a related field.
• At least 3 years of experience in battery systems, Li-ion cell technologies, BMS, or high-voltage power distribution systems.
• Strong knowledge of systems engineering processes, including requirements analysis, V-Model, architectural design, testing, and validation.
• Good understanding of the operating principles, types, and electrical/chemical characteristics of lithium-ion cells.
• Ability to perform practical energy, power, and electrical sizing calculations.
• Knowledge of communication protocols such as CAN Bus, Modbus, Ethernet, etc.
• Experience with system modeling and simulation tools.
• Knowledge of MIL-STD-810, MIL-STD-461, or relevant military battery safety and validation standards.
• Good command of English, particularly for technical documentation and communication.
• Strong analytical and problem-solving skills with a collaborative and team-oriented mindset.
• Willingness to take an active role in field activities.
• No restrictions on travel and ability to adapt to flexible working conditions.

Preferred Qualifications

• Experience working on energy storage system projects for land, naval, aerial, or unmanned platforms.
• Field experience in FAT and SAT processes.
• Experience with DFMEA/PFMEA and Root Cause Analysis activities.
• Knowledge of battery safety standards and safe design solutions.
• Strong interest in and awareness of current battery and energy storage technologies.

Why Altınay?

At Altınay Savunma Teknolojileri, we offer the opportunity to work on projects shaping the future of defense technologies, at the intersection of high technology, systems engineering, and advanced energy solutions.

If you are looking to take technical responsibility in the development of battery and energy storage systems, collaborate with multidisciplinary teams, and contribute to end-to-end product development processes in defense industry projects, we would be pleased to welcome you to our team.

Location: Istanbul / Pendik - Teknopark Istanbul