IT Systems & Infrastructure Engineer

About the role

L3Harris Trenchant is an elite global team of engineers and security researchers charged with building world-class computer security products. Trenchants expertise is the by-product of the L3Harris acquisition of two highly-regarded information security businesses Azimuth Security and Linchpin Labs. United under Trenchant we are a key component of L3Harris Intelligence & Cyber Division. We are a trusted discrete partner furnishing security products consultancy training and integration services to allied security defence and law enforcement agencies.

As part of the Global IT Operations team youll play a key role in strengthening and modernizing our core IT services across the region. Youll work across systems networks cloud platforms and automation tools to deliver secure reliable and high-quality services for a highly technical global workforce.

In this role youll help improve operational maturity enhance service quality and foster a culture of continuous improvement and accountability. Joining during an exciting growth phase youll contribute to stronger governance greater trust and a solid IT foundation as we expand our team and infrastructure.

Youll support a talented global workforce of around 150 engineers and researchers and may act as the primary technical contact for your site or collaborate closely with peers in a shared-responsibility model.

What the role will involve

The responsibilities of your role will include the following:

• Design and implement secure network and application architectures for mission-critical systems.
• Assess security risks and provide expert guidance to engineering and SOC teams.
• Develop and enforce security policies standards and best practices.
• Evaluate and integrate new security technologies and tools.
• Oversee firewalls IDS/IPS antivirus and SIEM systems to optimize protection.
• Lead incident response and resolution for complex security issues.
• Collaborate across teams to ensure systems are secure by design and meet compliance requirements.

What youll bring

To succeed in this role youll need the following experience and skills:

• Proficient in Linux system administration Juniper JunOS Cisco IOS pfSense firewalls and VMware vSphere.
• Strong problem-solving and analytical skills.
• Hands-on experience with networking containerization and cloud platforms.
• Eligible to obtain a security clearance (current clearance highly regarded).
• Familiar with automation tools and security best practices.
• Excellent communication and organizational abilities.
• Bachelors degree in a relevant field and 5 years of experience in systems network or infrastructure engineering.
• Experience supporting technical or engineering teams.

About L3Harris Australia

L3Harris Australia excels as a prime defence contractor providing integrated tech solutions for over four decades. Specialising in technology that connects and shapes operations spanning multiple domains: space air land sea cyber and first responders. Today we employ over 500 professionals in all major cities who understand the regions unique requirements.

A few of our employee benefits are:

• An additional week of leave per annum plus the option to buy or sell up to 2 weeks additional annual leave.
• Salary continuance insurance (SCI pays 75% of your base salary and bonus for up to 2 years)
• Flexible working hours and patterns depending on location
• Discounted private health insurance
• Life & Total Permanent Disability Cover
• Novated Car Leasing
• Company supported professional development programs
• Retail Reward programs

Important to know

Due to the nature of our work many our roles require an Australian citizenship and will require the successful candidate to successfully apply and hold an Australian Defence Security Clearance and/or be assessed to work with ITAR information. Please answer the pre-screening questions upon applying for this assessment.