Top Cyber Security Jobs in Portland, ME

Own and execute end-to-end collaboration platform integrations for acquisitions: scope, migrate users, Slack channels, Drive, mailboxes, and configurations. Maintain Google Workspace, Slack, and Zoom at enterprise scale; manage email and domain security, DNS consolidation, phishing response, DLP, and platform incident response. Lead compliance/eDiscovery, archiving architecture, vendor selection, and automation to standardize governance across brands. Coordinate cross-functional stakeholders during M&A and build repeatable playbooks and tooling.

Lead offensive application security work across the core product: hunt and remediate vulnerabilities, harden systems, safeguard PHI, scale AI-driven vulnerability discovery, mentor engineers, and partner with SRE and security teams to improve resilience and disaster recovery.

Lead and grow WWT's micro-segmentation practice, driving revenue and client engagements across Illumio, Guardicore, and Cisco Secure Workload. Manage a team of consultants, author SOWs, deliver end-to-end segmentation and zero-trust solutions, oversee project delivery, and advise clients on compliance and optimization. Partner with sales, OEMs, and executives to position offerings and ensure successful outcomes.

Build reliable, scalable data pipelines and data products to surface security, fraud, and infrastructure risks. Use big-data technologies (Spark, Presto, Flink, Kafka) and advanced SQL to ETL, model, maintain datasets, and enable analytics for security teams. Partner cross-functionally and lead complex system design and implementation.

Lead IAM consulting engagements: deliver assessments, architecture design, and implementations across IGA, PAM, access management, and cloud identity. Serve as technical SME for pursuits, scope and price engagements, produce client-ready deliverables, facilitate executive workshops, mentor consultants, and grow the IAM practice through reusable assets and thought leadership.

Lead technical IAM delivery tasks: conduct current-state discovery, configure and validate IGA/PAM/Access Management platforms, perform gap analyses against frameworks, produce client deliverables (assessments, diagrams, maturity scores), facilitate workshops, and support pre-sales and practice development while growing toward workstream ownership.

Lead and execute Governance, Risk, and Compliance (GRC) delivery tasks: conduct risk assessments, gap analyses, control and policy design, third‑party risk evaluations, and produce client-ready deliverables. Facilitate discovery workshops and stakeholder interviews, support program and roadmap recommendations, contribute to pre-sales and practice assets, and grow toward owning full workstreams while coaching junior team members.

Plan and execute offensive tests across web apps, APIs, networks, and cloud; retest fixes; scope and oversee engagements; produce actionable reports and metrics; collaborate with engineering, security, and GRC; evolve playbooks and tooling; mentor team members and incorporate adversary-focused threat modeling and detection feedback.

Lead scoping, presales, design, implementation, and optimization of F5 application delivery and security solutions. Act as F5 SME, build SOWs/LOEs, troubleshoot complex deployments, mentor consultants, and develop practice offerings and integrations with SIEM/SOAR/CMDB tools.

Build and maintain scalable data pipelines and data products to enable security and fraud detection. Implement ETL, data models, and distributed processing (Spark/Presto/Flink/Kafka) to centralize signals, support analytics and machine learning, and partner with security teams to improve detection and mitigation of fraud and account compromise.

Design, implement, and validate scalable endpoint security controls across Mac, Windows, and Linux. Lead patch and vulnerability management, host hardening, exploit validation, and threat-prioritization. Evaluate build vs. buy options, collaborate cross-functionally, translate technical risk to business impact, and provide business-hours operational support with infrequent incident response.

Develop, implement, and maintain the banks enterprise information security program. Independently assess first-line security risk management, regulatory compliance, incident response, and control effectiveness. Oversee security governance, policy, KRIs, business continuity, and third-line coordination. Provide unfiltered reporting and challenge to executive management and the Board and lead post-incident reviews and resilience testing.

Design, build, and operate runtime provisioning and secure transport systems to authenticate Netflix client applications at scale. Collaborate with client engineering across devices and platforms, apply applied cryptography and attacker mindset to validate controls, and take end-to-end ownership from design through in-field impact while balancing security and product tradeoffs.

Provide engineering-first customer support for security, privacy, and assurance tooling. Triage and resolve authentication and access issues, build automation and runbooks, maintain support tooling, and improve developer experience. Use Generative AI responsibly to accelerate triage, documentation, and automation while advocating for customers and collaborating with product and engineering partners.

Architect and implement system-level security for Open Connect edge and gaming appliances across hardware (FPGA, BMC, BIOS/UEFI), kernels and dual OS (FreeBSD/Linux). Improve platform integrity (measured/secure boot, BMC controls), triage system-level vulnerabilities, build low-level tooling and automation, and partner cross-functionally and with vendors to harden binary ingestion and execution.

Own protocol and cryptographic foundations for Netflix Open Connect edge appliances. Design and implement security primitives, optimize crypto/transport for performance, build DoS mitigations, conduct vulnerability research, and partner cross-functionally to deploy end-to-end security controls across delivery infrastructure.

Lead and perform application and network penetration tests, source code and cloud security reviews, and produce clear pentest reports. Research and develop pentesting tools/methods for blockchain and Web3, contribute to community content, and support client security engagements.

Serve as a public-facing Web3 security researcher: engage the community via social media, speak at conferences, give interviews, collaborate cross-functionally with CertiK teams, and support marketing and product feedback while performing technical Web3 security work.

Develop and optimize LLM-driven AI agents to automate smart contract security audits. Collaborate with blockchain security teams to research, prototype, and productionize threat detection, risk assessment, and automated vulnerability analysis for blockchain environments.

Perform smart contract and protocol audits, consult with external blockchain teams on remediation, conduct security research, and build internal security tools and methodologies to protect Web3 projects and clients.

Perform end-to-end blockchain security services including consulting, manual code reviews and audits of smart contracts and protocols (Solidity, Go, Rust), threat modeling, property-based and gas-related testing, penetration testing, and deliver detailed security assessments to clients.

Perform guided audits of smart contracts, blockchain protocols, and dApps to identify and remediate vulnerabilities. Contribute to security tooling and research, explore attack vectors, and support process and methodology improvements under senior guidance.

Perform smart contract and blockchain audits to find and analyze vulnerabilities, define attack models, extract exploit characteristics to build feature-analysis tooling, and research/adopt analysis tools and emerging blockchain security technologies.

Serve as a senior security operations advisor: lead incident response, tune detection tooling (SIEM/SOAR/XDR/EDR), apply identity-centric and Zero Trust controls, advise product/R&D on secure-by-design, document runbooks and metrics, automate tasks, mentor teammates, and communicate findings across technical and non-technical stakeholders.

Own outbound field motion for Identity Threat Protection launch, validate messaging in live deals, synthesize field intelligence into product recommendations, run adoption diagnostics, and provide technical escalation support for complex identity situations.