

Jesie Dyos
Site Production Manager at Thames Water
Sometimes in your life and career you feel like you have failed but you cannot fully understand and appreciate successful without some failure.
About Jesie...
Who am I?
"The personality traits which match me the most are being proactive and getting tasks completed. I am someone who likes to go away and figure out the solution to a problem rather than asking for help straight away. To others around me and on the outside I come across confident but actually I am nervous around new people and different situations. Confidence it something I have had to really work on and build-up throughout university and now in employment. To continue working on this I am volunteering for more speaking events, the more practice I have the better I will become at presenting. Others often describe me as having lots of energy and always going 100 mph. My role in operations can be reactive, meaning I have to juggle lots of tasks at once. This is what I love about operations is the fast paced high energy atmosphere. I bring that high positive energy to my role daily to help get tasks completed but also to have fun. "
What do I do?
"I am a marine biologist by trade and will always have an affinity to water which has worked at well working at Thames Water. My role is to ensure we are delivering millions of liters of wholesome drinking water to our customers. The role is extremely rewarding, playing a key role in protecting public health. Most people take for guaranteed turning on their taps at home and having safe drinking water and do not realize all the amazing and hard work that goes on in the background. On a daily basis our team in South West London make sure the water we are treating complies with our regulations and that we are producing enough safe drinking water for our customers needs. We abstract river water and through numerous treatment processes ending with disinfection, treat the water so it is safe for consumption. As well as planning for the future by improving our aging assets and making London water production more resilience and sustainable. "
How did I get here?
"When I initially applied to Thames Water’s graduate scheme, I wasn’t selected, which was a tough setback and left me questioning my abilities. However, I channeled that disappointment into gaining experience and knowledge into my roles, and I’m proud of my journey. It highlights there are multiple ways to enter an organization, we are in control of shaping our futures. As a role model, I want to inspire others considering a career in the water sector by showing them that there are numerus opportunities and diverse paths to achieving rewarding roles. I joined Thames Water in 2021 as a Catchment Scientist after completing my master’s in aquatic biology. I monitored water catchments and investigated water quality trends to compose risk assessments, using strong analytical and problem-solving skills. This fed into our Drinking Water Safety Plans to ensure effective management and regulatory expertise. I analyzed bacteriological data to assess the risk of Cryptosporidium implement new treatment solutions to protect public health. I designed and applied the first risk assessment for PFAS, including the location and severity of sources. This has been applied across the business and is helping gain knowledge of where PFAS is introduced and discharged into the environment. I moved into a Process Scientist role and managed water quality at diverse groundwater sites. I gained significant knowledge in water quality and treatment, implementing our strict ‘Coliform Zero’ plan to enhance disinfection and manage turbidity during challenges. I conducted intensive site visits and reports following water quality failures to identify the root cause and prevent a recurrence. While I enjoyed my roles in Water Quality, I wanted to gain experience in operations as I thrive off the fast-paced environment and to collaborate on projects to enhance operational site resilience. I transitioned from managing water quality to managing 50 operational sites, all unstaffed and remote, producing water for 1.4 million customers. The role as Water Production Manager was challenging, I had limited experience leading a team or managing clean water assets. I managed a budget to improve site resilience, but things still went wrong, dealing with events never get easier! I led the Toxic Gas Assurance team, improving equipment maintenance, workforce training, and striving to eliminate gas leaks. Health and Safety was key, ensuring sites were brought up to standard. I recently moved to a similar role but in London, overseeing a large surface water works with complex treatment processes which produces 120Mld, critical to supply London with water. "
The life I live
"It probably does not come as a surprise that being a marine biology that I am a qualified diver and have dived all over the globe over 200 times. I lived in the Caribbean diving everyday and my all time best experience diving was a shark dive in The Bahamas, whereby we swam with over 30 Caribbean Black Tips. I am yet to dive in the UK as it is far too cold! I used to compete at National Level swimming since the age of 11 until 18 whereby I used to train over 19 hours a week! This dedication and determination in a sport environment has really helped me throughout the rest of my life. I love going to the theatre with my mum and we make a effort to go at least 3 times a year. We recently saw The Devil wears Prada and Starlight Express which were both amazing, the production, costumes and singing were unbelievable. "
My typical day
"A typical day at work is extremely varied. I manage one of the larger London clean water sites which is the largest chemical coagulant water treatment works. Its unique as it has abstraction, process and transmission all onsite. We start the day with a team 15 with everyone on site that day to discuss London's water storage against our water output and demand. The main priorities of the day are highlighted to the team, each member gives an update of what they're tasked for the day, ending the meeting with any health and safety concerns. Throughout the week we have various meeting with different stakeholders reviewing the process and how efficient it is, reviewing what projects are currently ongoing and how to progress. Currently we are in the planning stage of building a cross connection into our ring supply main to ensure areas can be fed by multiple places to make our production resilient and sustainable. Health and safety is a massive focus of everyday to ensure the work that is being completed by our team and contractors is carried out safely and also, does not impact our process of treating river water. Our aim is to effectively treat the water coming onto site so it is safe to drink while also maintaining the water supply needed to meet our customer demands. "
My qualifications
"A level - Biology, Chemistry and GeologyMarine Biology BSc Aquatic Biology MSc"