{"id":3788660,"url":"https://alion.io/job/ey-cybersecurity-administrator-infrastructure-management","title":"CyberSecurity Administrator - Infrastructure Management","company":{"id":2859,"name":"EY","domain":"ey.com","url":"https://alion.io/company/ey-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Security","role_family":"Security","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":["Taguig, Philippines"],"countries":["PH"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Bash","optional":false},{"name":"CIS Benchmarks","optional":false},{"name":"Crowdstrike","optional":false},{"name":"CyberArk","optional":false},{"name":"Defense in Depth","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"GCP","optional":false},{"name":"ISO 27001","optional":false},{"name":"ITSM","optional":false},{"name":"Least Privilege","optional":false},{"name":"Linux","optional":false},{"name":"Microsoft Defender","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"Microsoft Sentinel","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Qualys Cloud Platform","optional":false},{"name":"SharePoint","optional":false},{"name":"SIEM","optional":false},{"name":"Splunk","optional":false},{"name":"TCP/IP","optional":false},{"name":"Windows","optional":false},{"name":"Windows Server","optional":false},{"name":"Zero Trust","optional":false},{"name":"Zscaler","optional":false}],"status":"live","first_seen_at":"2026-11-05T02:00:00Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-09T12:06:52Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"The Opportunity\nWe are looking for an experienced administrator who will be responsible for the design, implementation, operation, optimization, and continuous improvement of enterprise technology solutions and services. The role ensures reliability, security, performance, compliance, and scalability while supporting business objectives and transformation initiatives. The engineer applies strong technical expertise, operational excellence, risk management, and architectural best practices to deliver resilient, efficient, and future-ready solutions across various technology domains.\nYour Key Responsibilities include but not limited to:\nPerform hands-on administration, configuration, monitoring, maintenance, and troubleshooting of enterprise infrastructure and security technologies across client on-premises, hybrid, and cloud environments. \nSupport infrastructure and security engagements involving technologies such as Windows/Linux, Active Directory, Microsoft Entra ID, Microsoft 365, Azure, AWS, endpoint security, network security, identity, vulnerability management, and security monitoring. \nParticipate in client discovery sessions, technical workshops, requirement-gathering activities, and environment assessments to understand existing infrastructure, security controls, operational processes, and technical requirements. \nAssist senior consultants, engineers, and architects in assessing client environments and identifying security gaps, configuration issues, operational risks, and improvement opportunities. \nSupport the design, implementation, configuration, testing, migration, and operational transition of infrastructure and security solutions. \nPerform technical assessments against defined security requirements, vendor recommendations, and industry practices such as NIST, CIS Controls/CIS Benchmarks, and ISO 27001. \nImplement and maintain security controls including system hardening, endpoint protection, identity and access controls, privileged access, MFA, vulnerability remediation, firewall/network controls, logging, and security monitoring. \nSupport identity and access management activities involving Active Directory, Microsoft Entra ID, Conditional Access, MFA, RBAC, privileged accounts, access reviews, and hybrid identity. \nSupport administration and security activities across Microsoft 365 workloads such as Exchange Online, Microsoft Defender, Microsoft Intune, Microsoft Purview, SharePoint, and Teams, depending on engagement requirements. \nSupport network and network security activities involving TCP/IP, DNS, DHCP, VLANs, firewalls, VPNs, proxies/SSE technologies, segmentation, IDS/IPS, and related technologies. \nAssist with cloud infrastructure and security activities across Microsoft Azure, AWS, and/or Google Cloud Platform, including identity, compute, networking, logging, monitoring, and secure configuration. \nPerform infrastructure and security monitoring using SIEM, XDR, EDR, vulnerability management, ITSM, and infrastructure monitoring platforms. \nSupport investigation and remediation of infrastructure and security incidents through log collection, technical analysis, troubleshooting, validation, and documentation. \nExecute vulnerability remediation, patching, configuration changes, system hardening, upgrades, and other approved technical changes following client change-management processes. \nDevelop and maintain client-facing technical documentation including assessment results, configuration documents, implementation guides, test results, runbooks, standard operating procedures, technical diagrams, and knowledge-transfer materials. \nDocument technical observations and findings and contribute to practical recommendations that consider security risk, business requirements, technical feasibility, and operational impact. \nParticipate in solution testing, proof-of-concept activities, technical validation, and transition-to-operations activities. \nPerform knowledge-transfer activities with client infrastructure, security, and operations teams as required. \nWork collaboratively with client stakeholders, technology vendors, internal consultants, security architects, and infrastructure teams throughout engagement delivery. \nAssist in developing reusable consulting assets such as assessment checklists, implementation patterns, configuration standards, scripts, templates, and automation. \nDevelop automation for repetitive administrative and security activities using PowerShell, Bash, Python, APIs, or equivalent technologies where appropriate. \nMaintain awareness of emerging infrastructure, cloud, and cybersecurity technologies and continuously develop technical capabilities relevant to consulting engagements.\nSkills and attributes for success\nGood foundation in enterprise infrastructure administration and cybersecurity concepts.\nHands-on knowledge in at least two infrastructure or security technology domains, with willingness to develop broader capabilities. \nWorking knowledge of Windows Server and/or Linux administration, including configuration, permissions, services, patching, logging, and troubleshooting. \nWorking knowledge of Active Directory and Microsoft Entra ID, including users, groups, authentication, access management, MFA, and RBAC. \nUnderstanding of networking fundamentals including TCP/IP, DNS, DHCP, VLANs, routing, firewalls, VPNs, proxies, and network troubleshooting. \nFamiliarity with infrastructure and security technologies such as Microsoft Defender, Microsoft Sentinel, Microsoft Intune, Entra ID, CrowdStrike, Splunk, Tenable, Qualys, CyberArk, Palo Alto Networks, Fortinet, or Zscaler is advantageous. \nAbility to analyze technical information and translate findings into clear observations, risks, and practical recommendations. \nAbility to understand client requirements and work within different technology environments, security standards, and operating models. \nAbility to create clear technical documentation and client deliverables. \nAbility to communicate technical concepts effectively to client technical teams and internal stakeholders. \nStrong analytical, troubleshooting, and problem-solving skills. \nAbility to manage assigned tasks and deliverables while working across multiple workstreams or engagements. \nAbility to work effectively under the guidance of Senior Consultants, Engineers, Managers, and Architects. \nDemonstrated willingness to learn new platforms and technologies based on client requirements. \nCustomer-focused and professional approach when working with client stakeholders. \nBasic project delivery skills, including task management, status reporting, issue identification, documentation, and timely escalation.\nGeneral Requirements:\nBachelor's Degree in Information Technology, Computer Science, Computer Engineering, Electronics Engineering, Cybersecurity, or related discipline, or equivalent relevant industry experience. \n1 to 3 years of relevant professional experience in infrastructure administration, systems administration, cybersecurity, cloud, networking, security operations, technology consulting, or a related technical discipline. \nPractical experience or strong foundational knowledge in at least two of the following: \nWindows/Linux Administration\nActive Directory / Microsoft Entra ID\nMicrosoft 365 Administration & Security\nEndpoint Management & Endpoint Security\nNetwork & Network Security\nIdentity & Access Management\nCloud Infrastructure & Cloud Security\nVulnerability & Patch Management\nSecurity Monitoring / SIEM / XDR\nInfrastructure Automation\nExperience in Technology Consulting, Advisory, Professional Services, Managed Services, or client-facing technical delivery is preferred but not mandatory. \nFoundational knowledge of security concepts such as least privilege, defense in depth, Zero Trust, system hardening, secure configuration, vulnerability management, logging/monitoring, and incident response. \nFamiliarity with NIST, CIS Controls/CIS Benchmarks, ISO 27001, or equivalent cybersecurity standards is advantageous. \nBasic scripting or automation experience using PowerShell, Bash, Python, APIs, or equivalent technologies is preferred. \nRelevant entry-to-intermediate certifications such as CompTIA Security+, Network+, CCNA, Microsoft Azure Administrator, Microsoft security certifications, AWS certifications, or equivalent are advantageous.","description_format":"text","description_chars":8347,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","Information Security","Financial Advisory, Valuation & Restructuring","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-11-05T05:05:06Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring 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