Top Cyber Security Jobs in Portland, ME

Lead the Application Security Practice, overseeing team performance and business growth while delivering high-quality security consulting services and fostering innovation through AI integration and research contributions.

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.

The Network Security Architect will assess network security, guide teams, enhance security policies, design network solutions, and mentor engineers while aligning with a Zero Trust Strategy.

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.

Sell Zscaler's data security portfolio (DLP, CASB, DSPM) to commercial accounts. Act as the specialist for customers and partners, build account-based strategies, collaborate with solution engineers and sales leadership, and close complex deals with stakeholders from technical practitioners to C-suite.

The CISO will develop and manage the Bank's information security programs, ensuring compliance and protecting customer data while mitigating risks. They will also lead a security team, oversee third-party risk, and promote a culture of security awareness across the organization.

As a Security Architect, you will build secure agent runtimes and systems, ensuring robust security capabilities in agentic AI solutions while conducting security evaluations.

The role involves managing the security incident response team, handling incidents, coaching team members, and improving security processes, aiming for operational excellence in threat response.

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.

Act as the technical lead for enterprise pre-sales: deliver product demonstrations, own Proof of Value outcomes, support Account Executives, research competitive/technical issues, and drive customer success for complex email security engagements.

Design, build, and scale vulnerability management systems across cloud and application environments, automate vulnerability detection, and support offensive security initiatives.

The fellowship provides military spouses and separating service members with cybersecurity training and hands-on experience through projects and vendor training, aimed at enhancing their security skills.

Part-time remote cybersecurity internship (Aug 31–Nov 20, 2026) providing hands-on technical development, security response, collaborative projects, shadowing, vendor-led training and certifications. Interns complete in-house training, work 25–29 hrs/week (majority 11am–4pm EST), must be U.S.-based, and be available for full-time hire by 2027. Paid at $20/hr.

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

The Embedded Detection Analyst will enhance detection performance for strategic customers, resolve security issues, and analyze incident patterns using various detection tools and methodologies.

The Senior Security Engineer will design detection logic, investigate alerts, automate responses, and collaborate on threat detection with team members. Responsibilities include triaging alerts, writing detection code, and defining best practices for detection frameworks.

Design and execute integration and security-focused test plans for PAM and Keeper Secrets Manager. Validate integrations across cloud providers, IAM, CI/CD, and OS/databases; perform reliability and security testing; analyze logs and defects; contribute to automation and collaborate with engineering, product, and security teams to ensure reliability and compliance.

The Security Engineer will design and maintain automation frameworks, manage security processes, optimize infrastructure, and integrate security automation while collaborating across teams.

Lead proactive threat hunts and complex incident investigations across cloud and SaaS (AWS, Azure, GCP, Okta, M365). Convert intelligence into hunt leads, detections, and customer narratives; triage alerts, mentor peers, and act as Incident Commander when needed. Leverage automation and AI to scale detection and response and drive improvements to processes and tooling.

Serve as a trusted technical advisor in pre-sales for cloud-native security solutions. Design tailored architectures, demo and present to stakeholders, support post-sale onboarding, and collaborate with sales, product, and engineering to drive adoption and influence product direction.

Lead technical sales and partner enablement for strategic channel partners in cybersecurity. Own the enablement, POC model, and partner relationships, producing technical collateral and driving partner-sourced revenue.

The Exposure Management Engineer optimizes and automates security platforms, manages vulnerabilities and exposure findings, and coordinates with client teams for remediation workflows.

The Solutions Architect will support the sales team by tailoring cloud security solutions, providing technical guidance, and managing POC engagements based on customer needs.

Design, develop, and maintain Windows-focused PAM components including services, agents, and RDP handlers. Integrate with Windows APIs, authentication and privilege models, implement secure credential handling and policy enforcement, collaborate with backend teams, perform code reviews, and troubleshoot complex Windows OS and enterprise configurations.