{"id":1518815,"url":"https://alion.io/job/st-engineering-network-security-infrastructure-engineer-2","title":"Network Security Infrastructure Engineer","company":{"id":1818473,"name":"ST Engineering","domain":"stengg.com","url":"https://alion.io/company/stengg","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"Power Automate","optional":false},{"name":"TCP/IP","optional":false},{"name":"VLAN","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false}],"status":"live","first_seen_at":"2026-09-30T10:47:56Z","employer_posted_date":"2026-09-29","last_verified_at":"2026-10-01T07:57:12Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About ST Engineering\nST Engineering is a global technology, defence, and engineering group with offices across Asia, Europe, the Middle East, and the U.S., serving customers in more than 100 countries. The Group uses technology and innovation to solve real-world problems and improve lives through its diverse portfolio of businesses across the aerospace, smart city, defence, and public security segments. Headquartered in Singapore, ST Engineering ranks among the largest companies listed on the Singapore Exchange.\nOur history spans more than 50 years, and our strategy is underpinned by our core values - Integrity, Value Creation, Courage, Commitment and Compassion. These 5 core values guide every aspect of our business and are embedded in our ST Engineering culture - from the people we hire, to working with each other, to our partners and customers.\nAbout our Line of Business - Mission Software & Services\nOur Mission Software & Services business provides leading-edge mission critical command, control, and communications (C3) systems with secured IT infrastructure and managed services. We support our client’s innovation journey through design thinking, analytics, and AI-enabled decision support with our full suite of cloud computing solutions. We provide intelligent, actionable insights and sustainable solutions to our valued partners in diverse industries including defence, government, and commercial sectors.\nTogether, We Can Make A Significant Impact\nWe are seeking a proactive and technically skilled Network Security Infrastructure Engineer to support and manage our cybersecurity, endpoint security, server infrastructure, and network environment. The successful candidate will be responsible for Privileged Access Management (PAM), endpoint security solutions, Active Directory administration, Windows server management, network administration, and IT support operations. This role requires strong troubleshooting skills, security awareness, and the ability to manage multiple priorities effectively.\nBe Part of Our Success\nAdminister and maintain Privileged Access Management (PAM) solutions to ensure secure management of privileged accounts.\nManage, configure, and support Symantec security products and related endpoint protection solutions.\nAdminister and maintain SecureAge security solutions and data protection controls.\nManage and support Windows Server, Windows WSUS and Windows 11 environments, including deployment, patching, monitoring, and troubleshooting.\nPerform Active Directory administration, including user account management, group policies, access controls, and security configurations.\nManage network infrastructure, including switching, routing, VLAN configuration, and network troubleshooting.\nHandle IT security and infrastructure incidents, service requests, and support tickets within established SLAs.\nMonitor system and network performance, identify issues, and implement corrective actions.\nDevelop and maintain automation workflows using Microsoft Power Automate to improve operational efficiency.\nImplement security best practices and ensure compliance with organizational security policies.\nMaintain technical documentation, configuration records, and operational procedures.\nCollaborate with internal teams and vendors to support infrastructure projects and security initiatives \nQualities We Value\nMinimum 2 years of experience in IT Infrastructure, System Administration, or Cybersecurity roles.\nHands-on experience with Privileged Access Management (PAM) solutions.\nExperience in Symantec Endpoint Protection deployment, administration, and troubleshooting.\nKnowledge of SecureAge security solutions and data protection technologies.\nStrong experience with Windows Server administration and Windows 11 support.\nProficiency in Active Directory, Group Policy, DNS, DHCP, CA, and account management.\nGood understanding of network switching and routing, including VLANs, TCP/IP, and network troubleshooting.\nExperience in IT ticket handling and service management processes.\nKnowledge of Microsoft Power Automate for workflow automation.\nFamiliarity with cybersecurity concepts, endpoint security, and access control management.\nOur Commitment That Goes Beyond the Norm\nAn environment where you will be working on cutting-edge technologies and architectures.\nSafe space where diverse perspectives are valued, and everyone’s unique contributions are celebrated. \nMeaningful work and projects that make a difference in people’s lives.\nA fun, passionate and collaborative workplace.\nCompetitive remuneration and comprehensive benefits.","description_format":"text","description_chars":4593,"description_truncated":false,"requirements":{"experience_years_min":2,"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","Artificial Intelligence","Cybersecurity","Information Security"],"lifecycle":[{"event":"open","at":"2026-09-30T10:47:56Z"}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":19,"reasons":["conf:8","velocity","win:early","comp:junior,brand"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/st-engineering-network-security-infrastructure-engineer-2","json_url":"https://alion.io/job/st-engineering-network-security-infrastructure-engineer-2.json","meta":{"generated_at":"2026-10-01T10:35:20Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":1696,"day_limit":5000,"remaining_today":3304,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}