Security Platform Engineer I

Tusker is hiring a Security Platform Engineer I to maintain and improve the security platforms behind its managed security services. The role supports customer-facing technologies through troubleshooting, platform administration, upgrades, onboarding, incident response, and operational documentation.

Responsibilities:

• Administer, monitor, maintain, and support customer-facing security platforms and operational technologies
• Handle Tier 3 escalations by analyzing logs, configurations, connectivity, integrations, and system behavior to identify root causes and restore service
• Independently resolve technical issues within established procedures and escalate architectural, unfamiliar, or business-critical matters appropriately
• Assist with planning and testing platform upgrades, patches, and releases while executing and validating approved production changes and scheduled maintenance
• Support new-client onboarding by configuring and validating platform components, agents, policies, connectivity, and integrations
• Identify opportunities to improve reliability, scalability, efficiency, and supportability through better processes, scripts, tools, and automation
• Assist with investigating and resolving platform outages and service-impacting incidents, working with internal teams and vendors to restore service
• Maintain accurate runbooks, technical procedures, troubleshooting notes, standards, and platform documentation
• Collaborate with the SOC, Service Desk, Client Experience Managers, IT Operations, vendors, senior engineers, and architects
• Apply a security-first mindset and follow change management, access control, and operational governance requirements

Requirements:

• at least three years of technical experience
• 3+ years of professional experience in IT, cybersecurity, systems administration, platform engineering, technical support, or a related discipline
• Experience troubleshooting and supporting enterprise technology environments beyond traditional Tier 1 or Tier 2 responsibilities
• Strong Windows knowledge and a solid understanding of TCP/IP, DNS, DHCP, firewalls, routing, and network troubleshooting
• Familiarity with Microsoft 365, Azure/Entra ID, Active Directory, endpoint security, identity, access controls, and security best practices
• A methodical, analytical approach to complex technical problems
• The ability to work independently, manage competing priorities, and exercise sound judgment about when to seek guidance
• Strong attention to detail when making production changes or performing platform maintenance
• Clear written and verbal communication, including the ability to explain technical findings to technical and non-technical audiences
• A commitment to continuous learning, accountability, and developing deeper ownership of assigned technologies
• Experience in an MSSP, MSP, cybersecurity organization, or enterprise technology environment
• Experience with EDR/XDR, SIEM, RMM, vulnerability management, email security, backup, or disaster recovery platforms
• Knowledge of Windows Server, Active Directory, Microsoft 365, Entra ID, and cloud or hybrid environments
• Experience with PowerShell, automation, APIs, platform integrations, or enterprise monitoring tools
• An associate or bachelor's degree in IT, Cybersecurity, Computer Science, or a related field; equivalent professional experience is accepted
• Relevant Microsoft, CompTIA Network+, Security+, CySA+, or vendor-specific certifications