{"id":3549647,"url":"https://alion.io/job/s-i-systems-senior-network-security-architect","title":"Senior Network Security Architect","company":{"id":3865830,"name":"S.i. Systems","domain":"sisystems.com","url":"https://alion.io/company/sisystems-2","size_band":"1001-5000","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"ADP","truth_index":null},"role":"Security","role_family":"Security","seniority":"staff","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Calgary, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":83000,"max_usd":159000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":11},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"VMWare","optional":false},{"name":"Zero Trust","optional":false},{"name":"Kubernetes","optional":true}],"status":"live","first_seen_at":"2026-10-30T09:53:55Z","employer_posted_date":null,"last_verified_at":"2026-10-30T09:53:55Z","board_verified":false,"closed_at":null,"days_open":9,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":9},"description":"Our consumer business client is seeking a Senior Network Security Architect (10+ years) to define and mature enterprise network security architecture within a hybrid data center and cloud environments 0540319 \n\nDrive an enterprise-wide security architecture mandate focused on segmentation and Zero Trust across on‑premises and cloud environments. Lead strategy, policy frameworks, and roadmaps leveraging Palo Alto Networks NGFWs, VMware NSX/vDefend, Microsoft Azure, and Azure Firewall. Partner with Network Services, Cybersecurity, Infrastructure, Cloud, and Application teams to formalize security zones, trust boundaries, and communication patterns. This role centers on architecture, design, governance, and roadmap development rather than day-to-day operations.\n\nContract, Calgary, Remote, Working Hours: MST\nMust Haves\n10+ years in Network Security Architecture, network architecture, or cybersecurity architecture\nZero Trust architecture principles and network security policy governance and standards development\nArchitectures utilizing Palo Alto Networks NGFWs, VMware NSX/vDefend, and Microsoft Azure networking and security services\nLarge-scale hybrid cloud and data center security architectures, including security zoning and trust boundary definition\n\nNice to Have\nAzure Landing Zone security architecture; Azure Virtual WAN\nIdentity-based segmentation approaches\nService mesh and workload identity; container security and Kubernetes networking\nSABSA, TOGAF, CISSP, CCDE, CCIE Security, VMware VCAP-NV, Palo Alto PCNSC, Microsoft Azure Security certifications\nAirline, transportation, critical infrastructure, or highly regulated industries; large enterprise environments supporting OT and IT\n\nResponsibilities\nDevelop a multi-year enterprise segmentation roadmap aligned to Zero Trust objectives\nDefine security zones, trust boundaries, and east-west traffic control requirements\nDesign workload models leveraging VMware NSX/vDefend\nDefine Azure segmentation architecture and network security guardrails\nEstablish policy lifecycle processes and governance requirements\nProduce executive-level recommendations and decision documents\nAssess existing firewall policies and segmentation controls\nDisclaimer:\nAI may be used in evaluating candidates.\nThis posting is for an existing vacancy.","description_format":"text","description_chars":2302,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security"],"lifecycle":[{"event":"open","at":"2026-10-30T22:09:30Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.596,"p_room":0.9,"age_days":8,"expected_fill_days":24,"reasons":["seen:8","agency","urgency","velocity","win:mid","comp:brand"],"computed_at":"2026-11-08T05:47:12Z"},"pay":null,"html_url":"https://alion.io/job/s-i-systems-senior-network-security-architect","json_url":"https://alion.io/job/s-i-systems-senior-network-security-architect.json","meta":{"generated_at":"2026-11-08T23:26:35Z","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":48706,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-09T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":3865830},"rest":"https://alion.io/mcp/rest/get_company?id=3865830"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fs-i-systems-senior-network-security-architect"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fs-i-systems-senior-network-security-architect"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fs-i-systems-senior-network-security-architect"},{"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/s-i-systems-senior-network-security-architect\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fs-i-systems-senior-network-security-architect"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3549647}},{"tool":"search_jobs","arguments":{"company":"sisystems.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3549647},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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