or apply directly on Lunar Energy's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 29 days Lunar Energy's roles stay open a median of 29 days
- Reposted
- No
- Salary listed
- No 85% of Lunar Energy's roles list one
- Ghost-job risk at Lunar Energy
- high 7 stale, 0 reposted of 20 open
- Hiring momentum
- 30 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Lunar Energy's own greenhouse board since 2026-08-03. Full hiring picture for Lunar Energy.
About this role
As a Staff Firmware Engineer at Lunar, you will engage in the full product development lifecycle, focusing on firmware and software for home energy products. Your day-to-day tasks will include developing wireless communication solutions, designing firmware for various components, participating in design discussions, and collaborating with cross-functional teams to enhance product functionality and reliability.
- benefits
- 5/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Lunar Energy as an employer.
What you need
- Degree in a computer-engineering related or adjacent field, or demonstrated commensurate ability
- 5+ years experience delivering firmware for new products as part of a team
- Proficiency in C
- Working familiarity with Python
- Experience working with IP stack protocols: Ethernet, WiFi, TCP, UDP, HTTPS
- Working knowledge of Bluetooth/BLE
Nice to have
- Rust knowledge
What you get
- Competitive salary and stock options package
- Private Medical Insurance scheme through BUPA (medical history disregarded)
- A wellbeing and lifestyle benefits plan through Medicash
- 5% employer contributions pension matching
- A budget for work related training of £1,000 per financial year and an allowance of 4 training days
- Cycle To Work scheme and Workplace Nursery benefit
Worth weighing
- No salary listed
- Focus on sustainability may appeal to candidates passionate about clean energy
- Fast-growing company may imply a dynamic work environment but could also mean less stability
Summarised from Lunar Energy's posting. Read the full original.
Listed by Lunar Energy on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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