Senior Operations Manager
| Posting date: | 30 January 2026 |
|---|---|
| Hours: | Full time |
| Closing date: | 13 February 2026 |
| Location: | TW7 7LR |
| Company: | Kier Group |
| Job type: | Permanent |
| Job reference: | 9803 |
Summary
We're looking for a Senior Operations Manager to join our Thames Water Mogden STW team based in Isleworth, Twickenham.
Location: Twickenham, London Hours: 45 hours per week - some flexibility on hours may be available if desired, just let us know when you speak to us.
As a Senior Operations Manager, you'll provide visible leadership across construction and engineering activities at Mogden Sewage Treatment Works. In this pivotal role, you'll oversee multiple workstreams in a complex operational environment, ensuring projects are delivered safely, on time, and without compromising treatment operations or environmental compliance.
What will you be responsible for?As a Senior Operations Manager, you'll be working within the Mogden STW team, supporting them in delivering construction and improvement works safely and efficiently. Your day to day will include:
-Leading multiple workstreams including civil, mechanical, electrical, and process upgrades within a live treatment environment
-Ensuring projects are delivered to programme, cost, quality, and performance targets
-Championing a zero-harm culture and ensuring robust management of high-risk activities
-Building trusted relationships with the client, site operations teams, and alliance partners
-Leading and developing a multi-disciplinary management team
What are we looking for?This role of Senior Operations Manager is great for you if:
-You have extensive senior management experience within wastewater, utilities, or complex infrastructure construction
-You have a proven track record of delivering works in live operational environments
-You demonstrate a genuine commitment to safety leadership and positive site culture
-You have experience working under NEC contracts and regulated client frameworks
-You're collaborative, trusted, and focused on continuous improvement
We're all about finding potential here at Kier, and transferrable skills are always welcome! So, even if you don't tick every box, please apply and we can have a chat.
Rewards and benefitsWe're proud to be able to offer our brilliant people a wide variety of benefits that you can tailor to your needs. You can see more information of benefits here.
Diversity and inclusionMaking Kier a diverse and inclusive place to work is a huge priority for us. We're proud of the steps we've taken so far, but we know we must always do more. Our employees are key in shaping Kier's diversity and inclusion initiatives and our people have made a huge impact on how we work, by using their experiences to shape our policies. You can see our D&I action plan here. As a Disability Confident employer, we will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview.
We look forward to seeing your application to #joinkier #LI-CH1
Location: Twickenham, London Hours: 45 hours per week - some flexibility on hours may be available if desired, just let us know when you speak to us.
As a Senior Operations Manager, you'll provide visible leadership across construction and engineering activities at Mogden Sewage Treatment Works. In this pivotal role, you'll oversee multiple workstreams in a complex operational environment, ensuring projects are delivered safely, on time, and without compromising treatment operations or environmental compliance.
What will you be responsible for?As a Senior Operations Manager, you'll be working within the Mogden STW team, supporting them in delivering construction and improvement works safely and efficiently. Your day to day will include:
-Leading multiple workstreams including civil, mechanical, electrical, and process upgrades within a live treatment environment
-Ensuring projects are delivered to programme, cost, quality, and performance targets
-Championing a zero-harm culture and ensuring robust management of high-risk activities
-Building trusted relationships with the client, site operations teams, and alliance partners
-Leading and developing a multi-disciplinary management team
What are we looking for?This role of Senior Operations Manager is great for you if:
-You have extensive senior management experience within wastewater, utilities, or complex infrastructure construction
-You have a proven track record of delivering works in live operational environments
-You demonstrate a genuine commitment to safety leadership and positive site culture
-You have experience working under NEC contracts and regulated client frameworks
-You're collaborative, trusted, and focused on continuous improvement
We're all about finding potential here at Kier, and transferrable skills are always welcome! So, even if you don't tick every box, please apply and we can have a chat.
Rewards and benefitsWe're proud to be able to offer our brilliant people a wide variety of benefits that you can tailor to your needs. You can see more information of benefits here.
Diversity and inclusionMaking Kier a diverse and inclusive place to work is a huge priority for us. We're proud of the steps we've taken so far, but we know we must always do more. Our employees are key in shaping Kier's diversity and inclusion initiatives and our people have made a huge impact on how we work, by using their experiences to shape our policies. You can see our D&I action plan here. As a Disability Confident employer, we will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview.
We look forward to seeing your application to #joinkier #LI-CH1
Proud member of the Disability Confident employer scheme
Disability Confident
About Disability Confident
A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to Disability Confident.