Opes Cyber Security

Penetration Tester - Remote

Opes Cyber Security  •  Commonwealth of Australia (Remote)  •  2 months ago
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Job Description

Penetration Tester (NV1/NV2/TS Cleared)

We are seeking a security-cleared Penetration Tester to deliver security assessments across a mix of government and private sector clients. This role involves identifying vulnerabilities, simulating real-world attacks, and supporting compliance within regulated and security-sensitive environments.

Key Responsibilities

  • Perform penetration testing and vulnerability assessments across networks, applications, cloud, and hybrid environments
  • Simulate real-world attack scenarios to identify and exploit security weaknesses
  • Deliver clear, actionable reports with risk ratings and remediation recommendations for both technical and non-technical stakeholders
  • Support compliance with Australian Government frameworks (ISM, PSPF, DISP) where applicable
  • Collaborate with client teams to validate remediation efforts and uplift security posture
  • Contribute to red teaming and adversary emulation activities as required
  • Ensure adherence to client security, legal, and data handling requirements

Required Skills & Experience

  • Active NV1, NV2, or TSPV security clearance (mandatory)
  • Proven experience in penetration testing across enterprise or consulting environments
  • Strong understanding of common vulnerabilities and attack methodologies (OWASP Top 10, MITRE ATT&CK)
  • Hands-on experience with tools such as Burp Suite, Metasploit, Nmap, Nessus, Kali Linux
  • Ability to operate across multiple client environments with varying security requirements
  • Strong communication skills, with experience presenting findings to clients

Desirable

  • Certifications such as OSCP, CREST, OSWE, or GPEN
  • Experience working with government and/or regulated industry clients
  • Familiarity with EDR/SIEM platforms (e.g. CrowdStrike, Splunk)
  • Background in security engineering, SOC, or consulting
Opes Cyber Security

About Opes Cyber Security

Opes is a veteran-owned Australian company delivering high-assurance technology and intelligence services to the Defence, Government, and Critical Infrastructure sectors. We specialise in cyber resilience, secure IT systems, and open-source intelligence (OSINT) analytics, with a focus on helping clients mitigate risk, respond to evolving threats, and strengthen operational resilience.

We combine mission-ready expertise with a practical understanding of the environments we serve, enabling us to support sensitive and complex programs with confidence and discretion.

Industry
IT & Software
Company Size
11-50 employees
Headquarters
Barton, AU
Year Founded
2020
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