Senior Design EngineerRole PurposeLeads multidisciplinary design packages and provides technical oversight for complex infrastructure works.Key ResponsibilitiesPrepare structural and civil engineering calculations and drawings.Develop permanent works solutions for shafts, retaining walls, slabs, foundations, and reinforced concrete structures.Coordinate with geotechnical, construction, and temporary works teams.Support constructability reviews and value engineering exercises.Work in accordance with BIM Level 2 / ISO 19650 standards for information management and collaborative delivery.Comply with CDM 2015 regulations, company HSEQ procedures, and promote a positive safety culture across all activities.Support NEC4 contract administration, early warning processes, Program reviews, and change management activities.Prepare technical specifications, design reports, and assurance documentation.Review and approve design calculations and multidisciplinary deliverables.Provide mentoring and technical support to junior engineers.Technical RequirementsProficiency in AutoCAD, Civil 3D, and structural analysis software.Experience with reinforced concrete and steel design to Eurocodes.Knowledge of tunnelling interfaces including shafts, sprayed concrete linings, and underground structures.Understanding of buildability and construction methodologies.Experience using Tekla, Revit, or Robot Structural Analysis is advantageous.Experience managing design risk and design assurance processes.Experience & QualificationsDegree-qualified in Civil or Structural Engineering.6-10 years experience within infrastructure, structural, or tunnelling design.Understanding of Eurocodes, BS standards, and UK infrastructure requirements.Working towards or holding Chartered status with ICE or IStructE depending on level. Principal Design EngineerRole PurposeProvides strategic technical leadership for permanent and, or temporary works design and engineering solutions and governance.Key ResponsibilitiesPrepare and guide engineering principles on structural calculations and drawings.Develop permanent and temporary works solutions for shafts, retaining walls, slabs, foundations, and reinforced concrete structures.Coordinate with geotechnical, construction, and temporary works teams.Support constructability reviews and value engineering exercises.Work in accordance with BIM Level 2 / ISO 19650 standards for information management and collaborative delivery.Comply with CDM 2015 regulations, company HSEQ procedures, and promote a positive safety culture across all activities.Support NEC4 contract administration, early warning processes, Program reviews, and change management activities.Prepare technical specifications, design reports, and assurance documentation.Review and approve design calculations and multidisciplinary deliverables.Provide mentoring and technical support to junior engineers.Act as discipline lead during bids, technical governance reviews, and client engagements.Technical RequirementsProficiency in AutoCAD, Civil 3D, and structural analysis software.Experience with reinforced concrete and steel design to Eurocodes.Knowledge of tunnelling interfaces including shafts, sprayed concrete linings, and underground structures.Understanding of buildability and construction methodologies.Experience using Tekla, Revit, or Robot Structural Analysis is advantageous.Experience managing design risk and design assurance processes.Experience leading major design frameworks and multidisciplinary teams.Experience & QualificationsDegree-qualified in Civil or Structural Engineering.10+ years experience within infrastructure, structural, temporary works or tunnelling design.Understanding of Eurocodes, BS standards, and UK infrastructure requirements.Working towards or holding Chartered status with ICE or IStructE depending on level.Demonstrable leadership delivering complex UK infrastructure schemes. ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

Freelance Solar Installers required to work on Commercial and Industrial (C&I) Solar rooftop projects around the Suffolk area. Rooftop solar installation experience is essential, preferably large commercial projects. The client will considers teams/gangs to complete the work. CSCS Cards are a necessity. This is a 9 week contract, with more projects in the pipeline to follow. Outside of IR35. Must be eligible to live and work in the UK.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

Freelance Digger Operator required for a leading infrastructure contractor delivering telecom, renewable energy, and critical infrastructure projects across the UK and Europe. Candidate must have a minimum of 5 years excavator experience and hold a NRSWA certificate. You'll be responsible of operating a mini-digger while working on various EPC infrastructure projects UK wide such as EV & telecom works. This is a 1 year contract, working 8/9 hours per day, outside of IR35. Please only apply if you have the relevant digger operator certificates along with the right to work in the UK.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.