{"id":4206112,"url":"https://alion.io/job/matchtech-seniorprincipal-process-engineer-2","title":"Senior/Principal Process Engineer","company":{"id":2073484,"name":"Matchtech","domain":"matchtech.com","url":"https://alion.io/company/matchtech-com","size_band":"201-500","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"A","score":100,"open_postings":38,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":59,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":50000,"max":50000,"currency":"GBP","period":"year","gross":null,"usd_annual":66146},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AutoCAD","optional":false},{"name":"Microsoft Office","optional":false},{"name":"Microsoft Project","optional":false}],"status":"live","first_seen_at":"2026-11-12T23:43:31Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T23:43:31Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"My Client is recruiting for experienced Process Engineers in the Water sector at all levels\nLocation(s): UK Wide - We operate a hybrid working model, the role can be based at any of our offices combined with working from home and client locations when required. \nWe are looking for experienced Water Sector Process Engineer with municipal Water Sector experience. To work on Design projects across numerous Water Company Frameworks. Ideal candidates would have Clean Water and/or Wastewater experience.\nCORE RESPONSIBILITIES\n*Please note this is not an exhaustive list but gives a flavour of the work to be undertaken and can vary depending on engineering level*\nThis is a consultant role and the post holder could be seconded into one of clients on a part time or full time basis on an occasional or permanent basis.\nKey responsibilities include;\nA key member of the Engineering team providing expert process knowledge and input into water and wastewater design and delivery schemes.\nBe a point of process expertise within the Company and be a thought leader.\nCapacity assessments into both water and wastewater treatment works to assess issues and come up with options for new process streams as required.\nCalculations and gap analysis to assess needs to ensure treatment works are compliant with the current and new consent requirements.\nCreation of mass balances, P+IDs, control philosophies and commissioning plans.\nParticipation in HAZOPS, HAZIDS and HAZCOMMS as required.\nAssessment of potable treatment works, raw water deterioration parameters and any network risks.\nCreation of process options in sufficient detail to either go onto outline or detailed design.\nDetailed technical report writing based on the outcomes of calculations and collated site data.\nStakeholder engagement across the water companies and other clients as required in order to pull data and scheme solutions together.\nCollaboration and interaction with the costing team in order to efficiently cost all options.\nCarryout client liaison and coordination, including reporting of progress.\nProject management of the tasks and deliverables required as part of the design packages.\nConduct technical reviews of existing sites for troubleshooting purposes and be able to suggest process optimisation parameters.\nAssist project managers and site staff in evaluating data from site during commissioning and optimisation to facilitate successful project completion and meeting of compliance criteria.\nGive advice on best process engineering practice, including consent compliance, chemical handling and general design and operability health and safety.\nDevelopment and promotion of environmental best practice.\nAttendance at stakeholder meetings & site visits.\nAttend design workshops.\nDesire and ability to work independent.\nSupport and mentoring to graduate, consultant and senior members of the team.\n Experience and Qualifications:\nAccredited degree in Chemical/Environmental or Process Engineering and ideally Chartered\nExperience in the Water and/or Wastewater indusry\nGood project management skills including organisational and diligence skills.\nGood analytical techniques and manipulation of data sets.\nAble to assess not only process but carbon footprint and environmental solutions, being innovative in your approach.\nGood communication, report writing and interpersonal skills.\nExperience in the creation of process mass balances and site optimisation plans.\nExperience of working within multi-disciplinary teams on a diverse project portfolio.\nClient and stakeholder management experience.\nAbility to lead projects.\nPractical site experience with regard to sampling and/or jar testing would be beneficial.\nAble to apply both industry best practice and the latest technology and innovation to new scheme solutions and ideas.\nComputer literate with Microsoft Office, Microsoft Project and other specialist computer packages (AutoCAD, Workspace, CRM's, etc).\nFull UK driving licence as travel throughout the UK will be required.","description_format":"text","description_chars":4010,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"United 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