{"id":4194787,"url":"https://alion.io/job/mott-macdonald-senior-electrical-designer-sofia","title":"Senior Electrical Designer (Sofia)","company":{"id":1797435,"name":"Mott MacDonald","domain":"mottmac.com","url":"https://alion.io/company/mottmac","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":99,"open_postings":25,"ghost_share":0,"stale_share":0.04,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-11-15T07:52:55Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sofia, Bulgaria"],"countries":["BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":true,"relocation_package":true,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AutoCAD","optional":false}],"status":"live","first_seen_at":"2026-11-12T20:18:15Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-15T01:46:33Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Location/s: Sofia,Bulgaria\nRelocation supported: Not supported, but internal applications are welcome\nRecruiter contact: Abhijeet Barpanda\nHiring manager contact:Henry Smith\nMott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices.\nWe work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance - we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual.\nWhether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued. Whatever your ambition, Mott MacDonald is where people come to be brilliant.\nAbout the business unit\nThe Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle - from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.\nOverview of the role\nThe Secondary Systems Designer is responsible for preparing detailed electrical drawings, layouts, and documentation for medium voltage substations. This role involves working closely with engineers and multidisciplinary teams to deliver accurate, high-quality designs. We are looking for individuals looking to progress thier career in secondary systems design to join our growing team in Sofia.\nKey Responsibilities and duties include:\nDrafting and Design Preparation:Prepare detailed electrical drawings for substation secondary systems, including protection, control, and communication systems\nDevelop layouts and details for cable trenches, duct banks, and equipment foundations\nCreate interface circuit diagrams, wiring diagrams, cable schedules, block diagrams, and room layouts\n\nTechnical Specifications:Prepare and review technical specifications and documentation for substation secondary systems\nEnsure all designs comply with relevant industry standards, regulations, and company policies\n\nCollaboration with Engineers:Work closely with primary design engineers, project managers, and other stakeholders to develop comprehensive secondary system designs\nIncorporate design feedback and revisions from engineers to finalize drawings\nCoordinate with multidisciplinary teams for consistency in designs and details\n\nDocumentation and Reporting:Maintain and organize drawing sets, revisions, and documentation throughout the project lifecycle\nGenerate reports and maintain logs for design progress and drawing submissions\n\nQuality and Compliance:Conduct self-checks and peer reviews of drawings to ensure accuracy and completeness\nFollow quality control procedures to maintain high drafting standards\n\nCandidate specification\nEssential:\nDiploma or Associate Degree in Electrical Engineering, Drafting, or a related field\nProficiency in AutoCAD and other drafting software\nKnowledge of medium voltage systems and substation design\nStrong attention to detail and accuracy\nExcellent communication and teamwork skills\nUK Immigration\nMott MacDonald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is as a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.\nEquality, diversity, and inclusion\nWe put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.\nAccessibility\nWe want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at  and we will talk to you about how we can support you.\nAgile working\nWe are happy to talk openly about flexible working and how we can support your responsibilities beyond the workplace.\nWe offer some fantastic benefits including:\nHealth and wellbeing\nPrivate medical insurance for all UK colleagues.\nHealth cash plan to support you with every day health costs and treatments.\nAccess to Peppy, providing free support from menopause experts for all UK colleagues.\nA variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family.\nAbility to flex your salary to opt into a wide range of health benefits, many of which can be extended to your family too.\nFinancial wellbeing\nWe match employee pension contributions between 4.5% and 7%.\nLife assurance equal up to 4 x your basic salary, with an option to increase the level of cover to 6 x your salary.\nOur income protection scheme provides a financial benefit, as well as absence and return to work support due to long-term illness or injury.\nFlexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing.\nAs an independently owned business we share the financial success of the business with all our colleagues in various ways including annual bonus schemes.\nLifestyle\nA minimum of 33-35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.\nHoliday entitlement increased to a minimum of 35 days after 5 years’ service.\nVariety of employee saving schemes and discounts from high-street retailers.\nEnhanced family and carers leave\nEnhanced family leave policies, including 26 weeks paid maternity and adoption leave, and two weeks paid paternity/partner leave.\nOur shared parental leave matches maternity leave meaning we pay up to 24 weeks at full pay.\nUp to five additional days leave are provided for those with significant caring responsibilities, two of which are paid.\nLearning and development\nPrimary annual professional institution subscription.\nA broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self-development options.\nNetworks, communities, and social outcomes\nJoin a wide range of groups including our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability, and parents/carers communities.\nMake a difference within our communities through our social outcomes.\nApply now, or for more information about our application process, click 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