Correctional & Operations Support Officers

Make a real difference in the community by joining G4S at Mount Gambier Prison as a Correctional Officer or Operations Support Officer. Working in corrections is a career with purpose, offering exceptional benefits, and clear pathways for growth.
What G4S Can Offer You

• High Earning Potential & Lots of Time Off: Approx. $70,000 to $80,000 p.a. + 12% Super + Overtime. Work 3-4 shifts per week + 7 weeks of paid annual leave.
• Paid Training & Career Advancement: Correctional Officers will gain a Cert III in Correctional Practice. With 200 staff on-site in varied roles, there are numerous pathways for career progression.
• A Role with Purpose: Make a tangible difference by helping to keep the community, the people in our care, and our staff safe and secure.

About The Roles
We're seeking Correctional Officers (COs) & Operations Support Officers (OSOs) with excellent communication and conflict resolution skills to join us at Mount Gambier Prison. COs work directly with prisoners, and OSOs have minimal prisoner contact.

Our training program is comprehensive and includes training in standard operating procedures, self-defence, radio training, report writing, first aid & CPR, communication skills, incident response, x-ray and ion scan screening, fire training, and more.

Correctional Officers
Our Correctional Officers work directly with prisoners and play a critical role in prisoner case management, monitor their rehabilitation activities, conduct daily searches and counts, undertake security patrols, write case notes and prepare reports.

• Rates - $62,463 p.a. for your training | $76,899 p.a. after training | $81,965 p.a. once fully accredited.
• Roster - 3 days a week | 12.5-hour shifts | Mix of weekdays, nights, weekends & public holidays.

Operations Support Officers
Our OSOs have minimal prisoner contact and conduct x-ray screening, search visitors upon entry, work in the prison property area, operate the prison control room, monitor CCTV and support key administrative prison functions.

• Rate - $72,880 p.a.
• Roster - 3 to 4 days a week | 8-hour to 12.5-hour shifts | Mix of weekdays, nights, weekends & public holidays.

What We're Looking For
No qualifications or prior experience in corrections is required, it's your life skills that are highly valued in these roles. We're looking for the following:

• Able to work a rotating 24/7 roster, including public holidays & weekends
• Holder of an Australian driver's licence
• Physically fit and able to pass a medical assessment
• Full Australian working rights
• Able to commence in February 2026

The recruitment process
G4S runs a staged recruitment process which includes the following:

• Online Application
• Online Assessment
• Phone Call
• Onsite Interview
• Group Site Tour
• Background Checks & Medical Assessment

Interviews for these roles will be conducted in late November 2025, with a fully paid training program beginning on Monday, 2 February 2026

About Mount Gambier Prison
G4S has operated Mount Gambier Prison (MGP) end-to-end since 1995, as a low to medium security campus style prison. Providing various work and education programs to male prisoners, our aim is to rehabilitate offenders and reduce re-offending. Accommodating 672 prisoners, our team at Mount Gambier Prison delivers safety, security, and respect for all prisoners in custody. There are numerous roles and opportunities for career development within the prison - with positions ranging from Correctional Officers, Industries Supervisors, Education Coordinators, Case Management Coordinators, Recreation Officers, Operational Support Officers, Management Roles, and Administration positions.

About Mount Gambier And The Limestone Coast
Mount Gambier, South Australia's largest regional city with a population of 35,724, is conveniently located almost midway between Adelaide (436 km) and Melbourne (441 km). The city offers a community-focused lifestyle and is well-equipped with educational facilities, including public and private primary and secondary schools, along with UniSA and TAFE SA campuses for various qualifications. Paired with affordable housing options, both rental and owned, it's easy to see why so many are choosing to make the move.

Beyond the city, the broader Limestone Coast region boasts access to some of South Australia's finest coastline, offering safe beaches, excellent recreational fishing, sailing, and surf. This area is further enriched by a world-class wine region, abundant open spaces, outstanding national parks, and diverse sporting and recreational facilities.

About G4S Australia And New Zealand
G4S, An Allied Universal Company is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security solutions. With a workforce of approximately 800,000 employees worldwide and over 2,000 across Australia and New Zealand, we leverage global best practices to help deliver our promise locally: keeping people safe so our communities can thrive. We partner with Government, industries and law enforcement agencies to deliver Integrated Security and Justice Services across a diverse range of portfolios, including Port Phillip Prison, Mount Gambier Prison, Prisoner Transport Operations, Court Security, Custody Centres, Corporate Security, Mobile Speed Cameras, our Support Offices, and more.

For more information about G4S Australia and New Zealand, please visit To explore a career with G4S, please visit To hear directly from our staff about why they enjoy working at G4S, visit