{"id":2155677,"url":"https://alion.io/job/singtel-technical-specialist-network-security","title":"Technical Specialist - Network Security","company":{"id":49912,"name":"Singtel","domain":"singtel.com","url":"https://alion.io/company/singtel","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"A","score":100,"open_postings":5,"ghost_share":0,"stale_share":0.2,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Sales","role_family":"Sales","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sydney, Australia"],"countries":["AU"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":69000,"max_usd":151000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":10},"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Perl","optional":false},{"name":"PoC Library","optional":false},{"name":"Python","optional":false},{"name":"VPN","optional":false}],"status":"live","first_seen_at":"2026-09-10T16:00:00Z","employer_posted_date":"2026-09-10","last_verified_at":"2026-10-12T23:34:51Z","board_verified":true,"closed_at":null,"days_open":32,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":32},"description":"Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.\nBased in Macquarie Park, Sydney - this role is a senior network security expert responsible for designing, governing, and managing secure network architectures and platforms, while ensuring compliance with security standards and best practices. It involves close collaboration with engineering, cyber security, and operations teams to design and approve secure solutions such as firewalls, segmentation, and encryption technologies. The position also drives security improvements, provides technical leadership and mentorship, and supports risk assessment, incident response, and continuous enhancement of network security.\n**This role requires hands on experience**\nYour day to day will consist of\nLead PIR and rep CSE across all problem management related engagements\nDesign, implement, and maintain firewall solutions using Fortinet (FW, Proxy, VPN) and Check Point platforms \nProvide Tier-3 technical support to resolve complex and critical network security incidents \nTranslate business, security, and network requirements into scalable and secure firewall designs \nDeliver firewall migrations, upgrades, policy optimisation, and high-availability implementations \nApply routing and switching knowledge to interpret network architectures and security traffic flows \nWork closely with Network, Cyber Security, and Operations teams to ensure secure end-to-end designs \nPerform security assessments, troubleshooting, and root-cause analysis for firewall and VPN services \nContribute basic scripting and automation to improve operational efficiency and repeatability \nEnsure designs align with security standards, best practices, and lifecycle (EOL/EOS) requirements \nWhat makes you perfect for the role\nDegree in Telecommunications Engineering (or related field) or equivalent experience \nAt least 8 years’ experience in telecommunications or large enterprise environments, with strong expertise in Fortinet and Checkpoint \nSolid understanding of operational processes, fault management, and diagnosing customer issues \nProven ability to manage major faults across multiple platforms and communicate effectively with senior stakeholders (up to GM level) \nExperience in testing/PoC environments, including understanding methodologies and platform limitations \nBackground in large-scale network design and implementation, with scripting skills (e.g., Python, Perl) as an advantage\nWhat’s in it for you?\nCompetitive remuneration and employee discounts. Make life easier (and more affordable) with $80 monthly credit and 25% off Optus products and unique shopping discounts with our retail partners.\nCompetitive leave policies, including additional 'Connected’ days to focus on culture, family, health, community, or whatever’s important to you.\nWe support growing families with inclusive, carer-neutral paid Parental Leave of up to 16 weeks.\nBuild meaningful connections through employee-led networks and diversity initiatives including Culture Connect, Elevate Women, Disability Network and Express Yourself (LGBTQIA+).\nPut your wellbeing first with free access to counselling and support services, 24/7 - in-person, by phone, SMS, or video.\nAt Optus, we are strengthened by others and that means valuing diversity and saying ‘yes’ to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please email  or call 1800 309 170. We're here to help.\nFor more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity","description_format":"text","description_chars":4255,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Parental leave"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Telecommunications","Broadband"],"lifecycle":[{"event":"open","at":"2026-10-09T06:37:07Z"}],"visa":[],"liveness":{"score":28,"band":"fade","label":"Fading","p_open":1,"p_active":0.621,"p_room":0.45,"age_days":32,"expected_fill_days":17,"reasons":["conf:6","velocity","win:tail","comp:brand"],"computed_at":"2026-10-13T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/singtel-technical-specialist-network-security","json_url":"https://alion.io/job/singtel-technical-specialist-network-security.json","meta":{"generated_at":"2026-10-13T09:50:57Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":14903,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":49912},"rest":"https://alion.io/mcp/rest/get_company?id=49912"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsingtel-technical-specialist-network-security"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fsingtel-technical-specialist-network-security"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fsingtel-technical-specialist-network-security"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/singtel-technical-specialist-network-security\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsingtel-technical-specialist-network-security"}]}