Linux Engineer at C4i Solutions

Sydney, New South Wales, Australia -

Full Time

Start Date

Immediate

Expiry Date

18 May, 26

Salary

0.0

Posted On

17 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Linux, RHEL, Ubuntu LTS, Bash Scripting, Python Scripting, Ansible, VMware ESXi, KVM, Docker, Kubernetes, SAN, NAS, LVM, LDAP, Active Directory, PKI

Industry

technology;Information and Internet

Description

Be you with us – Shape the future of Defence and Technology C4i Solutions is a leading Technology, ICT, and Digital Solutions company, delivering real outcomes for our Defence, Government, and Industry partners. We're growing and we're looking for great people who share our values, believe in our mission, and care about what they do. People who value teamwork, take pride in their work, and want to make an impact. About the Role: As a Linux Engineer in C4i Solutions, you will be responsible for the design, implementation, optimisation, and support of secure, high-availability Linux environments across on-premise, cloud, and hybrid infrastructures. You will ensure system reliability, performance, and security while contributing to automation and continuous improvement initiatives. The role is located onsite in Sydney, CBD. About the role: Install, configure, and sustain secure Linux server environments (RHEL, Ubuntu LTS, hardened distributions) within classified, restricted, and air-gapped Defence networks. Design and manage high-availability, fault-tolerant architectures supporting mission-critical Defence applications and Command & Control systems. Perform proactive system monitoring, performance optimisation, and capacity planning to meet operational readiness requirements. Troubleshoot and resolve complex OS, network, storage, and application-layer issues in secure environments. Develop automation using Bash and Python scripting and configuration management tools (e.g. Ansible) within controlled change environments. Manage virtualisation platforms (VMware ESXi, KVM) and containerised workloads (Docker, Kubernetes) where permitted under security constraints. Administer enterprise storage solutions (SAN, NAS, LVM) supporting high-availability Defence workloads. Execute controlled patching, upgrades, and lifecycle management in alignment with Defence change and release governance. Support backup, restoration, and disaster recovery capabilities aligned to continuity of operations requirements. Integrate systems with secure identity services (LDAP, Active Directory, PKI, multi-factor authentication). Harden Linux systems in accordance with the Australian Signals Directorate Information Security Manual (ISM) and Defence security policies. Implement and validate security controls aligned to Australian Department of Defence standards and relevant accreditation requirements. Apply STIGs, CIS benchmarks, and vulnerability remediation processes within classified environments. Support system logging, audit controls, and security monitoring integrations with Security Operations Centers (SOC). Contribute to security accreditation, audit readiness, and continuous assurance activities. Deploy and manage Linux workloads within Defence-approved cloud environments (e.g. protected or sovereign cloud platforms). Support Infrastructure as Code (IaC) approaches in secure delivery pipelines. Assist in migration of legacy workloads into hardened virtualised or cloud-hosted environments in line with Defence architecture standards. Support incident response activities and technical investigations where required. About you: Australian citizen (required for Defence projects) with a min AGSVA NV1 clearance. The ability to obtain a Negative Vetting 2 (NV2) security clearance is preferred. Experience working in complex Defence project settings. A BACH Degree (Relevant to the role) or significant experience. Industry certifications highly regarded. Familiar with ISM, DSPF, PSPF. Communicates clearly and confidently, both written and verbal. Is highly organised with strong attention to detail. Builds positive relationships and manages stakeholders effectively. Works well independently and takes initiative. Can manage competing priorities and meet deadlines. Adapts easily to change and works well in a team environment. Why Join Us? Veteran-Focused: As a Veteran-owned and operated company, we value your service. Our Veteran Career Development Program is designed to support your transition and future career growth. Defence Veterans are strongly encouraged to apply. People First: Were a company that puts people at the centre. Fostering a culture of wellbeing, engagement, and respect for your unique skills. A Culture That Values You: Be part of a passionate, supportive, and growing team that recognises your contribution and rewards success. And we like to keep things real. We work hard, support each other, and make space for a laugh along the way. Benefits We Offer: Long Service Leave @ 7 years: Take long service leave after 7 years service (Pro-rata). Health & wellbeing allowance: Our annual Health & Wellbeing allowance ($250) helps you stay fit and healthy. First year leave (5 days): We offer 5 additional leave days in your first year to help you settle in! Birthday leave: We know your birthday is a special day! Take the day off and relax on us! Higher Education Subsidy: Obtain a higher qualification relevant to your role while working with us and receive a $2500 contribution annually. This includes certification fees on digital learning courses. Veteran Engagement: At C4i Solutions, we understand that leaving the ADF can be a daunting time. We've been there, as we know from our own experience. Our Veteran Career Development Program offers a range of support and development activities for ADF veterans and their partners, so that your transition from the ADF is seamless and supported. Service Awards: We acknowledge your service with us through 1, 5, and 10-year awards. Employee Recognition: We reward our people when they go above and beyond. Donate for a Cause: Donate to a charity of your choice and we'll match it up to a value of $200! PLUS, much more! Be you, with us: If you're looking for a workplace where your skills, experience, and dedication are genuinely valued we'd love to hear from you. We are a close-knit team of veterans, problem-solvers, tech heads, dads, mums, soccer coaches, and weekend adventurers who love what we do, like to have a bit of fun, and don't take ourselves too seriously. What brings us together is a passion for doing great work that makes a real difference to those who serve. If this sounds like your kind of team, apply now. We'd love to hear from you. www.C4isolutions.com.au

Responsibilities

The Linux Engineer will be responsible for designing, implementing, optimizing, and supporting secure, high-availability Linux environments across on-premise, cloud, and hybrid infrastructures for Defence applications. This includes installing and configuring secure servers, managing high-availability architectures, performing system monitoring, and developing automation using Bash and Python.