Senior System Engineer — Barton, South Canberra

Job Description Location: ACT Working Arrangements: Hybrid arrangements available Start date: June 2025 Duration: Approximate 12-month contract with possibility of extension Pay rate: Pay rate negotiable dependent on experience Security Clearance Requirements: NV1 Essential OVERVIEW: We are looking for an experienced Senior System Engineer to play a key role in our Federal Government client's agency. This is an opportunity to play a key role in modernising the department’s email systems as part of the Digital Uplift Program (DUP) , which aims to enhance ICT security and move infrastructure to the cloud. RESPONSIBILITIES: Lead design and implementation activities modernising the department’s email service utilising Microsoft Exchange Online and Fortra Secure Email Gateways; Drive the technical direction of email system modernisation work packages under the DUP. Ensure compliance with the department’s enterprise and security architecture frameworks. Develop system design documentation and ensuring they are approved. Develop implementation plans and working closely with technical SME’s to successfully implement and test the designed outcome. EXPERIENCE / REQUIREMENTS: Essential: Proven expertise with Microsoft Exchange Online, including Exchange Online Protection (EOP), hybrid configurations, and migrations. Hands-on experience with Fortra (formerly Clearswift) Secure Email Gateways. Demonstrated ability to design, implement, and troubleshoot secure email infrastructure solutions. Experience implementing protective markings and associated email handling policies across email infrastructure. Proficient in writing high-quality technical documentation, including design and implementation documents. Skilled in presenting technical solutions to workgroups, architecture review boards, and design authority meetings. Desirable: Strong understanding of email security concepts including encryption, DLP, and compliance. Knowledgeable in email routing, SMTP protocols, DNS configurations (SPF, DKIM, DMARC), and mail flow diagnostics. Excellent interpersonal and communication skills, with the ability to engage technical and non-technical stakeholders. Technical tertiary qualifications and Microsoft certifications are highly desirable. IMPORTANT TO NOTE: SOS Recruitment is committed to the principles of workplace diversity and equity in employment and we encourage applications from Aboriginal and Torres Strait Islanders, people with disabilities, women, people with family responsibilities, people with diverse linguistic and cultural backgrounds, religious beliefs and LGBTIQ people. Please be advised If the closing date has passed for the particular position(s) you are interested in, we still encourage an application. Occasionally late applications are accepted and in addition we will retain your resume on our system for other positions as they arise. For more information on this role, please contact Aiden McLean or Rebecca Cosan on 02 6260 8888.