Associate Cybersecurity Engineer

Aspen Aerogels is hiring an Associate Cybersecurity Engineer for hands-on daily security and network operations. The role supports corporate and OT infrastructure, monitors and triages security alerts, maintains audit evidence and documentation, and participates in cybersecurity projects and incident response.

Responsibilities:

• Support corporate and OT network operations by documenting network architecture, mapping switches and patch panels, validating VLAN assignments, and assisting with approved switch and firewall changes
• Support the installation, cabling, configuration, inventory, and documentation of switches, firewalls, servers, wireless equipment, and other data center or plant infrastructure
• Assist with the daily administration and monitoring of security platforms, including EDR, IDS/IPS, SIEM, vulnerability management, email security, password management, firewalls, SASE, and privileged access systems
• Review security alerts, vulnerability findings, phishing reports, and system health notifications; document findings, perform initial triage, and escalate issues according to established procedures
• Help troubleshoot email delivery and authentication issues involving SPF, DKIM, DMARC, approved third party senders, and email security platforms
• Assist with recurring security control reviews, including user access, privileged accounts, firewall policies, access control lists, inactive accounts, vendor access, and security tool configuration
• Collect, organize, validate, and maintain evidence for customer, and internal audits
• Track identified vulnerabilities, audit findings, and control gaps through remediation and closure
• Help operate the security awareness program by scheduling training and phishing simulations, tracking completion, following up with users, and preparing program metrics
• Maintain security procedures, network diagrams, asset records, change records, knowledge base articles, and policy documentation
• Participate in cybersecurity projects and incident response activities while developing deeper skills in networking, security engineering, compliance, and OT security

Requirements:

• 2+ years of experience in networking, IT infrastructure, and/or cybersecurity
• CCNA, Network+, Security+, or a comparable certification
• Foundational knowledge of switching, routing, VLANs, firewalls, network segmentation, and common network protocols
• Familiarity with cybersecurity principles, operational security tools, and industry best practices
• Strong troubleshooting, documentation, communication, and organizational skills
• Ability to follow established procedures, recognize when escalation is necessary, and manage multiple operational tasks
• Eagerness to gain hands on experience across corporate networking, cybersecurity, data center infrastructure, and industrial/OT environments
• Bachelor's degree in computer science, Information Security, or a related field, preferred
• Previous exposure to enterprise cybersecurity tools such as EDR, SIEM, vulnerability management, email security, or firewalls
• Experience documenting networks, mapping switch and patch-panel connections, or maintaining asset inventories
• Familiarity with SPF, DKIM, and DMARC
• Exposure to manufacturing, industrial, or OT environments
• Experience supporting audits, compliance activities, or security-awareness programs
• Hands-on experience installing or configuring switches, firewalls, wireless equipment, or servers