Bill360
Role
The Infrastructure Support Engineer is responsible for monitoring, securing, and maintaining Bill360's internal IT infrastructure and cloud environment. This role emphasizes cybersecurity operations - including SIEM, incident response, endpoint protection, and network defense - while also contributing to server operations, Microsoft 365 administration, SaaS platform support, and hands-on IT operations. The position ensures the confidentiality, integrity, and availability of systems while supporting business growth and compliance requirements.
Who are we? An Introduction
Bill360, Inc. is a fast-growing financial technology company, developing cloud-native software that automates critical financial processes. At Bill360, you'll be working in a collaborative environment alongside fintech experts who are passionate and innovative. We embrace challenge and foster creativity within a culture that helps you develop as a person and a professional. Our leadership team believes in an open-door policy and full transparency, hosting monthly town hall meetings. Bill360 doesn't just offer you a job, we offer you a chance to learn, grow, and create a career you can be proud of.
Please note, this is an onsite opportunity in Tampa, you must be local to Tampa to be considered.
Essential Responsibilities
IT Infrastructure & Server & SaaS Operations
Administer and support on-premises infrastructure including Windows/Linux servers, Active Directory, DNS, DHCP, Group Policy, and virtualization platforms (VMware, Hyper-V, ProxMox).
Perform system patching, performance tuning, and troubleshooting to maintain high availability.
Support and maintain SaaS platforms used for day-to-day business operations, ensuring secure access, availability, and performance.
Collaborate across teams to ensure SaaS platforms are configured and managed in alignment with business and security requirements.
Document incidents, changes, and operational procedures for both on-premises and SaaS environments.
M365 & Cloud Administration Administer Microsoft 365 (Exchange, SharePoint, Teams, OneDrive). Manage device compliance with Intune and Mobile Device Management (MDM). Support SaaS platforms and associated security features.
Networking & Operational Support Apply CCNA-level networking knowledge for routing, switching, TCP/IP, VLANs, LAN/WAN, and enterprise connectivity. Administer secure remote access solutions including VPNs and firewalls. Provide Tier 2/3 deskside and remote support for escalated IT issues. Collaborate with vendors and internal teams on security and infrastructure projects.
Cybersecurity Operations Operate as part of the Security Operations Center (SOC), leveraging SIEM and SOAR platforms for monitoring, investigation, and incident response. Conduct threat detection, vulnerability management, and threat hunting activities across systems and cloud environments. Administer and optimize firewalls, IDS/IPS, VPNs, ZTNA, and secure access solutions. Deploy and manage endpoint detection and response (EDR/XDR) platforms and ensure system compliance through patch management tools. Implement Zero Trust Architecture, Identity & Access Management (IAM) controls, and enforce MFA, SSO, and conditional access. Utilize cloud security operations tools to protect cloud and SaaS platforms. Enforce and monitor Data Loss Prevention (DLP) and email security controls. Deliver cybersecurity awareness training and maintain security playbooks for incident response. Collaborate with IT Manager to improve operational workflows Handle additional assignments as requested by the manager.
Qualifications
(Required Minimum Knowledge, Skills & Abilities) Minimum of 4 years of IT operations experience with at least 23 years focused on cybersecurity operations in an enterprise environment. Experience supporting enterprise-scale infrastructure and SaaS platforms with clear, proven examples of operational contributions. Proven experience in SIEM monitoring, incident response, vulnerability management, and threat hunting. Hands-on expertise with EDR/XDR, IDS/IPS, firewalls, VPNs, ZTNA, and cloud security operations tools. Strong understanding of Zero Trust, Identity & Access Management (IAM), MFA, SSO, and conditional access. Excellent troubleshooting, communication, and documentation skills. Certifications such as CompTIA Security+, CySA+, CCNA Security, ITIL, Microsoft Security Operations Analyst, or CISSP (or relevant experience in lieu of certifications).
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M365 & Cloud Administration Administer Microsoft 365 (Exchange, SharePoint, Teams, OneDrive). Manage device compliance with Intune and Mobile Device Management (MDM). Support SaaS platforms and associated security features.
Networking & Operational Support Apply CCNA-level networking knowledge for routing, switching, TCP/IP, VLANs, LAN/WAN, and enterprise connectivity. Administer secure remote access solutions including VPNs and firewalls. Provide Tier 2/3 deskside and remote support for escalated IT issues. Collaborate with vendors and internal teams on security and infrastructure projects.
Cybersecurity Operations Operate as part of the Security Operations Center (SOC), leveraging SIEM and SOAR platforms for monitoring, investigation, and incident response. Conduct threat detection, vulnerability management, and threat hunting activities across systems and cloud environments. Administer and optimize firewalls, IDS/IPS, VPNs, ZTNA, and secure access solutions. Deploy and manage endpoint detection and response (EDR/XDR) platforms and ensure system compliance through patch management tools. Implement Zero Trust Architecture, Identity & Access Management (IAM) controls, and enforce MFA, SSO, and conditional access. Utilize cloud security operations tools to protect cloud and SaaS platforms. Enforce and monitor Data Loss Prevention (DLP) and email security controls. Deliver cybersecurity awareness training and maintain security playbooks for incident response. Collaborate with IT Manager to improve operational workflows Handle additional assignments as requested by the manager.
Qualifications
(Required Minimum Knowledge, Skills & Abilities) Minimum of 4 years of IT operations experience with at least 23 years focused on cybersecurity operations in an enterprise environment. Experience supporting enterprise-scale infrastructure and SaaS platforms with clear, proven examples of operational contributions. Proven experience in SIEM monitoring, incident response, vulnerability management, and threat hunting. Hands-on expertise with EDR/XDR, IDS/IPS, firewalls, VPNs, ZTNA, and cloud security operations tools. Strong understanding of Zero Trust, Identity & Access Management (IAM), MFA, SSO, and conditional access. Excellent troubleshooting, communication, and documentation skills. Certifications such as CompTIA Security+, CySA+, CCNA Security, ITIL, Microsoft Security Operations Analyst, or CISSP (or relevant experience in lieu of certifications).
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