L3Harris Technologies

IT Systems – Infrastructure Engineer

L3Harris Technologies

full-time

Posted on:

Location Type: Office

Location: SydneyAustralia

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About the role

  • 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.

Requirements

  • 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.
  • Bachelor’s degree in a relevant field and 5+ years of experience in systems, network, or infrastructure engineering.
  • Experience supporting technical or engineering teams.
Benefits
  • 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
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Linux system administrationJuniper JunOSCisco IOSpfSense firewallsVMware vSpherenetworkingcontainerizationcloud platformssecurity policiesincident response
Soft Skills
problem-solvinganalytical skillscommunicationorganizational abilities
Certifications
security clearance