" \u003cdiv class=\"ja-job-details\"\u003e \u003ch2 class=\"title\"\u003eSenior Cyber Operations Engineer (Contract)\u003c/h2\u003e \u003cdiv class=\"meta\"\u003e \u003cul class=\"classifications\"\u003e \u003cli data-id=\"14076\"\u003e IT Security \u003c/li\u003e \u003cli data-id=\"14077\"\u003e Contract or Temp \u003c/li\u003e \u003cli data-id=\"14078\"\u003e Sydney \u003c/li\u003e \u003c/ul\u003e \u003cp class=\"date-posted\"\u003e 18/10/2026 \u003c/p\u003e \u003c/div\u003e \u003cul class=\"bullet-points\"\u003e \u003cli\u003eOwn vulnerability management and executive reporting\u003c/li\u003e \u003cli\u003eUp to $1100 per day - daily rates\u003c/li\u003e \u003cli\u003eLead Illumio micro-segmentation and network security\u003c/li\u003e \u003c/ul\u003e \u003cdiv class=\"description\"\u003e This organisation is running a dedicated cyber resilience program across a large, complex hybrid environment, and needs a senior engineer to own two of its biggest priorities: vulnerability management and network security.\u003cbr\u003e\u003cbr\u003eYou\u0027ll run the vulnerability lifecycle end to end: scanning, filtering out the noise, and getting clear, automated risk reporting in front of executives every day. You\u0027ll also design and enforce micro-segmentation to lock down lateral movement and protect the systems that matter most.\u003cbr\u003e\u003cbr\u003eThis is a hands-on engineering role with SME authority, not an advisory or oversight position. It\u0027s a 12 month contract engaged through a statement of work.\u003cbr\u003e\u003cbr\u003eWhat the role covers:\u003cbr\u003e \u003cul\u003e \u003cli\u003eVulnerability management: planning and running scheduled and ad hoc Tenable scans across servers, workstations, cloud and OT, then pre-filtering results to isolate the real, exploitable risk\u003c/li\u003e \u003cli\u003eWeb application security: WAS and DAST scanning against internal and external apps for OWASP Top 10 issues\u003c/li\u003e \u003cli\u003eRisk reporting: grading findings by CVSS, CVE and EPSS and automating daily reporting into Power BI dashboards; verifying remediation and evidencing residual risk\u003c/li\u003e \u003cli\u003eNetwork security and segmentation: building and enforcing Illumio policies with default-deny trust boundaries around critical systems, plus NGFW rule reviews, permitted flow matrices and protective DNS\u003c/li\u003e \u003cli\u003eSupporting security operations: Microsoft Sentinel, KQL and Azure Logic Apps automation, and working with the external MDR and managed SOC\u003c/li\u003e \u003c/ul\u003e What you will bring:\u003cbr\u003e\u003cbr\u003e \u003cul\u003e \u003cli\u003eHands-on Tenable Nessus or Tenable Vulnerability Management experience, including scheduling, tuning and pre-filtering scan output\u003c/li\u003e \u003cli\u003eWAS or DAST scanning, and publishing CVSS and CVE metrics to Power BI\u003c/li\u003e \u003cli\u003eIllumio or equivalent enterprise micro-segmentation, designed and enforced, not just run in visibility mode\u003c/li\u003e \u003cli\u003eStrong enterprise network security across hybrid environments: NGFW, trust zones, secure remote access, TCP/IP, VPN and DNS security\u003c/li\u003e \u003cli\u003eMicrosoft Sentinel and Logic Apps experience is a strong advantage; Akamai WAF, PowerShell or Python, and certs such as CISSP or AZ-500 are a bonus\u003c/li\u003e \u003c/ul\u003e This would suit a senior security engineer from a vulnerability management or network security background who is comfortable working across the wider security stack.\u003cbr\u003e\u003cbr\u003eSydney based candidates only; hybrid days onsite. $1,000 - $1100 per day for a 12 month contract. Background and professional suitability checks required.\u003cbr\u003e\u003cbr\u003eFor a confidential conversation, contact cwhyte@decipherbureau.com \u003c/div\u003e \u003cdiv class=\"apply\"\u003e \u003ca class=\"back-link\" href=\"#\" title=\"Back to search results\"\u003eBack to search results\u003c/a\u003e \u003cinput type=\"button\" class=\"ja-button\" data-job-id=\"4479245\" value=\"Apply Now\" title=\"Apply Now\" /\u003e \u003c/div\u003e \u003c/div\u003e "