Top Senior Cyber Security Jobs in Portland, ME

Design and build custom security tools, middleware, and automations to integrate Identity, MDM, EDR, SIEM, and SaaS platforms. Implement API-driven data flows, UIs, CI/CD pipelines, SOAR playbooks, and secure deployment practices. Collaborate with Security Ops, IT, and Engineering to translate policies into automated, secure solutions.

Lead and grow a remote Security Detection & Response team, build detection engineering and observability systems, drive telemetry onboarding, Panther and MITRE-aligned detections, Python automation, CI/CD workflows, and AI-assisted triage. Own incident response, investigations, cross-functional collaboration, and measurement of detection effectiveness.

Lead AppSec efforts across product, platform, and AI features by owning secure SDLC, performing threat modeling and deep code reviews, driving vulnerability management and remediation, building AppSec tooling and automations (including AI-assisted workflows), and enabling engineering teams with secure design guidance and training.

The Security Software Engineer will design and implement security controls for MongoDB Atlas, collaborating across engineering teams and ensuring adherence to high security standards.

The Senior Site Reliability Engineer will lead security design and implementation for cloud infrastructures, mentor teams, and automate security solutions.

Lead end-to-end execution of a 12+ initiative product security program, managing cross-team dependencies, vendor procurement, BAU security operations, and executive reporting. Maintain roadmap and tracking in Jira/Confluence, drive procurement/POCs, produce executive-ready metrics, and establish program cadence to ensure timely remediation and predictable delivery.

Lead product vision and strategy for security operations services, defining outcomes for managed investigation, response, threat hunting, and advisory services. Partner with customer security ops, product, and marketing teams to deliver AI-driven, automated features, represent Zscaler to customers, and drive measurable security outcomes and operational alignment.

Lead Coinbase's global IT and security audit program, delivering complex cross-functional audits across cloud, infrastructure, cybersecurity, IAM, data protection, and third-party risk. Manage and develop a global audit team, partner with first- and second-line stakeholders to drive integrated assurance, and report executive-level findings to senior leadership and the Audit Committee. Modernize audit execution through data analytics, automation, and generative AI to enable continuous monitoring and automated evidence retrieval.

Perform advanced threat hunting and deep analysis of attacker activity across on-premises and cloud environments, notify customers of imminent threats, build proof-of-concept hunting tools and automations, synthesize findings into mitigation recommendations, and drive product/tool improvements by transferring threat intelligence and investigation best practices to engineering and customer teams.

Own technical pre-sales for enterprise AI security: lead discovery, design demos, execute end-to-end POCs, partner with AEs, surface product feedback, and advise customers on complex technical decisions.

Lead and grow a team of Security and IT technical program managers and own the cyber security and IT program portfolio. Drive prioritization, resourcing, and delivery of cross-functional security initiatives, translate strategy into roadmaps, manage risks and dependencies, and standardize playbooks and metrics.

Sell Mitiga's runtime security platform to enterprise CISOs and security leaders. Manage end-to-end enterprise sales cycles from prospecting to close, build strategic territory and partner plans, collaborate with solutions engineering and customer success, and maintain accurate CRM records while consistently exceeding revenue targets.

Lead and perform HITRUST Gap, Readiness, and Validated Assessments. Define scope, test controls, validate evidence in MyCSF, produce readiness and validated reports, advise clients on remediation, and ensure compliance with HITRUST methodology and related frameworks.

Lead security across applications, services, infrastructure, and developer workflows. Identify, assess, and mitigate risks; run secure code reviews, threat modeling, and architecture discussions; build automation and tooling to prevent issues; harden authentication and access control; investigate incidents and manage disclosures; partner with engineering teams to design secure-by-default APIs and deployments.

Lead customer security strategy and architecture using Microsoft security products. Assess security posture, design cloud-native solutions, remove technical blockers, author customer insights, and support complex enterprise deployments to accelerate adoption and secure cloud/hybrid environments.

Lead deep technical security reviews of products and platforms, produce prioritized remediation roadmaps, build security tools and automations, integrate guardrails and automated checks, partner with product teams to implement and validate fixes, and use threat intelligence and telemetry to convert attack paths into controls and detections.

Leads the architecture, implementation, integration, automation, testing, and optimization of ServiceNow and Veza identity security solutions. Advises clients on identity governance, authorization visibility, access analytics, compliance, and cybersecurity strategy. Conducts workshops, demonstrations, training, troubleshooting, and technical delivery from discovery through deployment. Develops scripts, applications, dashboards, and workflows while mentoring junior staff and supporting proposals, estimates, and sales opportunities.

Leads identity security and IAM implementation projects for enterprise clients using ServiceNow and Veza. Manages client engagement, requirements workshops, solution design, delivery timelines, risks, and distributed teams. Oversees identity governance, access certification, lifecycle management, provisioning, and authorization visibility implementations. Coordinates integrations with cybersecurity programs, mentors consultants, ensures solution quality, supports process improvements, and assists sales pursuits. The role also develops governance strategies for human and non-human identities, including service accounts, APIs, machine identities, and AI agents.

Architect and engineer multi-tenant SIEM, SOAR, EDR, telemetry, and cloud security platforms for managed security services. Build detection content, automate response workflows, optimize log ingestion, and secure customer connectivity. Lead technical discovery, onboarding, security assessments, remediation planning, escalations, solution design, and customer advisory engagements. Create architectures, runbooks, and documentation while shaping the MSSP technology strategy.

Lead product marketing for Keeper's cybersecurity products: define messaging, positioning and use cases; execute cross-functional launches; create content and SEO-optimized assets; coordinate webinars and partner co-marketing; gather customer feedback and conduct market and competitor research to drive awareness and pipeline.

The Senior Application Security Engineer ensures the security of systems and data by monitoring vulnerabilities, responding to incidents, and promoting security best practices within the organization.

Lead security initiatives by establishing secure development practices, conducting security reviews, as well as managing threat modeling and security assessments.

Lead hands-on security engineer responsible for designing, implementing, hardening, automating, and optimizing enterprise security controls across cloud, identity, endpoint, network, email, and data protection. Builds and maintains security platforms (SIEM, SOAR, XDR/EDR), develops detection logic, automates workflows, supports incident response, and partners with cross-functional teams to raise security engineering maturity and reduce risk.

Lead and grow the security operations team to detect, investigate, and respond to threats across endpoints, identity, email, and cloud. Develop SecOps strategy, incident response playbooks, run tabletop exercises, manage SIEM/EDR/email security, drive identity governance, vendor/MSSP relationships, and report security KPIs to leadership.

Design and assess secure systems for Microsoft business operations: perform threat modeling and security design assessments, drive risk-based architecture decisions, communicate risk, mentor teammates, and ensure compliance with security policies and screenings.