Work on complex, high-value security projects delivering secure facilities with real impact. Join a company known for long-term tenure and genuine development opportunities. Be part of a values-driven team that prioritises collaboration and work–life balance. Position Overview Manteena is seeking experienced Contract Administrators and Site Engineers to support the delivery of complex, high-value construction projects (>$20M) within our Security business across Sydney and Broader NSW. These roles are critical to the successful planning, coordination and execution of secured construction projects. Depending on your background, you will contribute through a combination of on-site delivery, contract administration, cost control, technical coordination and stakeholder management. Due to the nature of the work, Australian Citizenship and the ability to obtain and maintain an AGSVA Security Clearance are mandatory. About Manteena: Manteena delivers construction projects ranging from under $1M to $100M, operating across the public and private sectors. Our portfolio includes new builds, complex refurbishments and commercial fit-outs across the ACT and throughout Australia. Our strong pipeline of existing and upcoming work continues to drive growth, creating long-term career opportunities across site and project delivery roles. If you are seeking variety, stability, work–life balance and genuine career development, Manteena offers an environment where people are supported to grow and succeed. Manteena’s strong pipeline of ongoing and up & coming work means that we are growing. This growth has created exciting opportunities for a range of site and project related vacancies across the group. Why Join Us: Manteena is a values-based family friendly company, and we aim for our staff to have a good work-life balance. Renowned for the long-term tenure of our employees, we are committed to the development, coaching and mentoring of our staff providing career progression and professional development opportunities. Key Responsibilities: Depending on your experience as a Contract Administrator or Site Engineer, responsibilities may include: Assist in the planning and execution of complex commercial and secure construction projects Coordinate subcontractors, suppliers and site activities to meet program and security requirements Support short- and long-term construction planning and sequencing Monitor progress, identify risks and assist in resolving technical and delivery issues Assist with contract administration, procurement and subcontractor engagement Manage variations, RFIs, progress claims and cost reporting Support budget tracking, forecasting and commercial compliance Interpret and implement construction drawings and technical specifications Conduct site inspections to ensure works meet design, quality and safety standards Maintain accurate project records including site diaries, QA documentation and reporting Participate in safety planning, SWMS reviews and general site housekeeping Liaise with clients, consultants, authorities and internal stakeholders Provide timely and accurate updates to Project Managers and senior team members Contribute positively to a collaborative, solutions-focused project environment About You: Australian Citizen with the ability to obtain and maintain AGSVA Security Clearance 2 years’ experience in a Contract Administrator or Site Engineer role within commercial construction Experience working on medium to large-scale projects (ideally $20M) Strong interpersonal, communication and organisational skills Detail-oriented with a practical problem-solving mindset Growth-focused and motivated to continue developing within a team environment Aligned with Manteena’s values of respect, accountability, learning and professionalism Qualifications: Qualification in Construction Management, Engineering or a related discipline (highly regarded) Strong understanding of construction methodologies, contracts, codes and standards Proficient in interpreting technical drawings and specifications Familiarity with construction software (e.g. MS Project or similar) advantageous White Card and relevant site-based certifications Australian Citizenship and Ability to Obtain and Maintain an AGSVA Security Clearance What we offer: Career progression and professional development, including leadership training and mentoring Study assistance and salary sacrifice options (superannuation and motor vehicle) Employee bonus scheme Health and wellness initiatives, including two annual “Me Days” Fun social events and flexible work arrangements Competitive remuneration package, negotiated based on experience and skills If you feel you are a good fit for Manteena, click “ I'm Interested ” and submit your resume and cover letter addressing the above requirements of the position. If you would like more information, please contact James Hoskins on 0461 537 609 for a confidential chat.
