Project Coordinator - Domestic Energy Assessor (DEA) at SERO

Project Coordinator – Domestic Energy Assessor (DEA)

Location: Hybrid – average of 2 days in our Cardiff office, plus ad hoc site visits as required.

Salary: Up to £28,000 per annum (depending on experience).

Contract: Permanent.

Full‑time and flexible hours/patterns available – We understand that life is more than just work, so we’re happy to discuss flexible working arrangements around childcare and other life‑balance commitments.

About Sero

Sero was founded to make a connection between homes and energy, and to use technology to make both of these easier and smarter together. We do this to save our customers money and time, but we also do it to save our planet. To tackle the Climate Emergency, we deliver innovative energy and retrofit solutions that reduce the carbon footprint of homes at scale. We work closely with social housing providers, local authorities, and delivery partners to help them understand what their buildings need to achieve net zero. Your contribution will be key to the team’s success as we continue to scale our impact.

We’re looking for someone who shares our passion for sustainability and wants to play a hands‑on role in delivering meaningful change.

How you will help

We’re looking for a Project Coordinator (DEA) to play a crucial role in delivering Medium Term Improvement Plans (MTIPs) for our clients and partners. You’ll be at the heart of our mission to support zero carbon retrofit projects, making sure the PAS 2035 process is both technically compliant and smoothly integrated into our wider approach. This role offers the opportunity to make a real impact in driving sustainable energy solutions. You’ll work closely with the Retrofit Coordinator and other technical colleagues to produce high‑quality documentation, coordinate key activities, and support delivery across multiple retrofit projects. Your meticulous attention to detail, combined with technical understanding, will help make sure everything runs smoothly and meets the highest standards of quality and compliance.

What we’ll be asking you to do

• Support the delivery of compliant PAS 2035 projects by following established processes and maintaining consistent standards
• Work with Team Leaders to identify priorities for MTIPs, and provide support across the Retrofit Coordinator process
• Conduct technical reviews of surveys and Retrofit Assessments to identify and correct errors
• Address data gaps in survey information by sourcing from online platforms or applying SAP‑compliant assumptions
• Produce detailed, structured technical write‑ups using in‑house systems, including measure order, sequencing rationale, assumptions, caveats, and any required preparatory or remedial works
• Collaborate with internal technical experts to devise bespoke solutions for buildings with complex retrofit needs
• Generate MTIPs using internal tools and software, and revise plans in response to feedback
• Review post‑installation handover and commissioning documentation for technical accuracy
• Upload project information to the TrustMark Data Warehouse
• Track KPIs to support team resourcing and monitor delivery performance
• Keep up to date with developments in retrofit regulations and standards, including PAS 2035 and SAP methodology
• Share suggestions for process improvements to enhance MTIP efficiency
• Balance your independent workload with wider team collaboration, to meet weekly and team delivery targets
• Support the on‑site inspection team when needed

To Hit the Ground Running

We’re looking for someone with the following skills and experience:

Essential skills and experience

• A good understanding of PAS 2035 and how it applies across retrofit projects
• Qualification as a Domestic Energy Assessor (DEA), or equivalent experience within the retrofit or energy efficiency sector
• Experience working with housing stock, condition issues, and property performance data
• Confident using Microsoft Excel at an intermediate level, including lookups, pivot tables, charts, and Power Query
• Experience producing technical reports and reviewing technical documentation
• A methodical, organised approach with excellent attention to detail
• Comfortable interpreting and analysing technical information to produce clear and accurate outputs
• Strong written communication skills, particularly for creating structured, logical reports and technical documents
• Confident working both independently and collaboratively in a fast‑paced environment
• Able to prioritise and manage your own workload to meet agreed timescales and team targets
• A genuine passion for sustainability and contributing to positive environmental and social outcomes
• A proactive mindset, keen to improve processes and share ideas with the wider team

Desirable (but not essential)

• Familiarity with SAP methodology and the TrustMark framework

Diversity

We actively look to reflect the diversity of the world around us and welcome applications from everyone. If you need any adjustments to the application or interview process, please let us know.

Permanent

We’re a growing SME and see this as a permanent role in our growing team. We’ve got lots of plans up our sleeves for exciting new things.

Working Hours

We consider full‑time to be 37.5 hours per week between 7am and 7pm, Monday to Friday. How you shape your working pattern is up to you, as long as you’re meeting the needs of the role. We think work should suit your lifestyle, so we welcome you to work when you can be most efficient. We’d like some of your working hours to be coordinated with other team members and stakeholders, so we’re being efficient and communicating effectively.

Location

We have an office in Cardiff and would expect you in the office on average 2 times per week, with an ad hoc requirement for site visits. When you’re not in the office or out on site, you can work flexibly from wherever suits you best.

Salary

We’re budgeting up to £28,000 per year for a full‑time person in this role, with the offered salary based on previous experience.

Perks

• 27 days of annual leave to use as you wish, plus 8 bank holidays. After 3 years of service, your annual leave will increase to 28 days. After 5 years of service, you’ll be eligible for a paid 4‑week sabbatical as a thank‑you.
• Private free healthcare with Bupa, with the option to add your family at our reduced rate.
• Salary sacrifice pension with Royal London (for a 3% contribution from you, you’ll receive 6% from Sero).
• Income Protection for peace of mind (75% of your salary for up to 5 years in cases of long‑term sickness).
• Share Option Scheme: after 12 months with Sero, you’ll be granted an option over a set amount of shares, based on your salary and level in the business at the time of grant.
• Employees assistance programme: 24/7 access to a GP, plus mental health, financial and legal support.
• Office location: city centre (less than 10 minutes from Cardiff train station), optional discounted NCP rates if driving.
• Generous family‑friendly policies.
• Dog friendly.
• Bike2Work scheme: purchase a bike for up to £1,500 through a salary sacrifice scheme.
• Volunteering: 8 hours for yourself, and 8 hours to use as a team.
• Office fully stocked with usual refreshments: tea, coffee, a variety of milks and a healthy fruit bowl.
• FOR Cardiff membership, with access to exclusive discounts from Cardiff businesses like money off food and drink.
• Training and development support for everyone through our LMS, plus 10% protected professional development time each week.

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