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Skills: PLC Programming, HMI Configuration, Process Documentation, Lean Manufacturing, Root Cause Analysis
Insense
Sr. Backend Engineer
Sofia, Sofia-City, Bulgaria · Remote Solely
Senior$6M raised
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Full-time
bachelor degree, postgraduate degree
Career Progression Framework, Educational Programs, Space Educational Program, Mentorship From Space Experts
Posted 34d ago
Apply by Oct 8
~40 hrs/week
Responsibilities
Design, document, and continuously improve the semi-automated satellite production line to ensure repeatable and stable manufacturing processes. This includes programming PLCs/HMIs, managing equipment suppliers, and collaborating cross-functionally to optimize throughput and yield.
Requirements
Requires 3-5 years of process engineering experience in high-precision manufacturing and a degree in Mechanical, Electrical, Industrial, or Mechatronics Engineering. Proficiency in PLC programming (Siemens/Allen Bradley) and lean continuous improvement methodologies is essential.
Full job description
About us
We are EnduroSat! A fast-growing space scale-up at the forefront of satellite innovation, specializing in advanced software-flexible satellites for commercial, governmental, and scientific endeavors.
This is more than a job, it’s a mission
We are making space universally accessible and redefining what's possible.
We get things done
We take ownership of what we do and we work hard to make a difference.
We are fearless
Transparency is our only way forward. We dare to address and resolve issues head-on.
We learn from our mistakes
We deliver, take informed risks, and evolve to achieve our goals. We compare with the best version of ourselves
What is the role? As a Process Engineer for the production line, you will own the design, documentation, and continuous improvement of how we build satellites. You will translate today’s tribal knowledge into repeatable, well-documented processes - and keep the controls and automation that run them stable, predictable, and operator-friendly.
This is a hands-on, on-the-floor role. You will work side by side with operators, production leads, quality, design engineering, and equipment suppliers. PLC programming and HMI work remain part of the toolkit - you will still get into Siemens or Allen Bradley code when the line needs it.
Some of your daily tasks will include:
Design, document, and continuously improve the manufacturing processes on our new semi-automated satellite production line
Author and maintain the documentation that turns unstandardized assembly into a repeatable process: SOPs, work instructions, process flow diagrams, PFMEAs, control plans, and routing documents
Define cycle times, takt times, station layouts, and material flow; balance the line, identify bottlenecks, and drive measurable throughput and yield improvements
Configure, program, and troubleshoot PLCs and HMIs (Siemens, Allen Bradley, or similar) for stations, conveyors, and integrated tools such as automated screwdrivers and vision systems
Plan and coordinate with subsuppliers on equipment specification, commissioning, integration, and acceptance -then take ownership of the system once it is handed over
Collaborate cross-functional with Production, Quality, Design Engineering, Supply Chain, and Test to align processes with product requirements, traceability needs, and quality standards
Lead operator training and instruction; ensure that documentation reflects how the line actually runs, not how we wish it ran
Drive root-cause analysis on process deviations, defects, and downtime; implement corrective and preventive actions and verify they hold
Support process validation and qualification and integrate the line with our MES and quality data systems for full traceability
What do we look for?
3–5 years of hands-on process engineering experience in a manufacturing environment — ideally electronics, precision mechanics, aerospace, automotive, or medical devices
Bachelor’s or Master’s degree in Mechanical, Electrical, Industrial, Mechatronics, or Manufacturing Engineering (or equivalent practical experience)
Demonstrated ability to produce clear, complete process documentation: SOPs, work instructions, PFMEAs, and control plans
Working knowledge of PLC programming and HMI configuration on platforms such as Siemens (TIA Portal) or Allen Bradley; comfortable reading and modifying ladder logic
Familiarity with MES systems and shop-floor data collection / quality record management
Comfort applying lean and continuous-improvement methods (5S, Kaizen, SMED, value-stream mapping) and structured problem-solving (8D, A3, fishbone, 5 Whys)
Strong cross-functional communication — able to explain a process equally well to an operator, a supplier, and a design engineer
Fluent English
Nice to have
Experience with automated screwing systems and/or machine-vision / camera inspection
Experience standing up a new production line or transitioning from manual to semi-automated assembly
Exposure to AS9100, ISO 9001, or similar quality management systems
Knowledge of robotics integration, traceability systems, or test automation
Prior experience in space, aerospace, defense, or other high-reliability industries
Why EnduroSat?
Fast-paced and delivery-focused culture
We work with well-defined quarterly based objectives, that allow us to fast-track the progression of our work and improve as we go
Tough engineering challenges & hard-core R&D
You will be able to work on unique space technology and build next-gen innovations, while mentored by world-recognized space experts
Constant learning and progression
Own your personal growth by navigating through our career progression framework and educational programs
Chance to join our space educational program
Meet international space experts and improve your knowledge and skillset with our hands-on educational program
At EnduroSat, we embrace diversity and strive to create an inclusive environment where everyone is treated with fairness and respect. We are committed to equal employment opportunities without discrimination against any employee or job applicant on the basis of race, color, religion, sex, national origin, age, disability, sexual orientation, or gender identity. Additionally, this position is suitable for people with disabilities in accordance with the People with Disabilities National Regulation Act, ensuring accessibility and accommodation in the workplace.
We engineer, build and operate exceptional satellites.
Industry
Aviation and Aerospace Component Manufacturing
Company size
201-500 employees
Founded
2015
Headquarters
Sofia
LinkedIn followers
37,181
Total funding
$181M
EnduroSat is a space infrastructure builder that engineers, builds, and operates exceptional satellites. The company streamlines space missions in LEO and beyond, handling every step from mission design to launch and operations. EnduroSat serves 350+ customers globally and employs more than 230 space professionals across 6 locations worldwide.
How many Technology jobs are open in Sofia, Bulgaria right now?
There are currently 950 open technology positions in Sofia, Bulgaria listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Technology roles in Sofia, Bulgaria?
Companies currently hiring include Hewlett Packard Enterprise, Tieto, Playtech, Mercier Consultancy, AgileEngine, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Technology jobs in Sofia, Bulgaria?
Yes — 658 of the 950 open technology positions offer remote or hybrid work (181 remote, 477 hybrid).
How do I apply for Technology jobs in Sofia, Bulgaria?
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