Top Security Engineer Jobs

Own Watcher’s product security posture, including identity and access management, cloud and infrastructure security, endpoint management, incident response, vendor assessments, and security standards. Lead security projects, customer security questionnaires, whitepapers, penetration-test support, and incident communications. Partner with customers and product teams to understand enterprise security needs, shape the security roadmap, and prioritize controls for coding-agent deployments handling sensitive data.

Leads security engineering and the full RMF and ATO lifecycle for mission-critical cloud and on-premises systems. Implements NIST controls, manages POA&Ms, vulnerability assessments, patching, continuous monitoring, contingency planning, and security inspections. Reviews technical changes, oversees AWS and Azure security, authors cybersecurity documentation, and briefs risks to stakeholders while coordinating with developers, systems engineers, SCAs, and DAOs.

Design, implement, maintain, and support cybersecurity tools and platforms, including EDR, DLP, web proxy, messaging security, vulnerability management, and identity and access management. Develop security playbooks and troubleshooting documentation, assist with incident response, collaborate across teams, and improve the confidentiality, integrity, and availability of systems and data.

Designs, implements, maintains, and supports information security tools and platforms protecting systems, networks, and data. Performs security engineering, operations, vulnerability management, incident management, threat intelligence, threat hunting, and cyber threat analytics. Manages EDR, DLP, web proxy, messaging, vulnerability management, and identity-access tools; develops playbooks and troubleshooting documentation; and assists with incident response while collaborating cross-functionally to improve security posture.

Serves as the technical authority for corporate security engineering, detection infrastructure, threat visibility, and security strategy. Builds alerting and automation, manages endpoint, identity, data exposure, phishing, vulnerability, and DLP risks, and establishes scalable workflows for triage, escalation, reporting, and incident response. Partners with IT leadership, conducts threat hunting and security assessments, develops executive metrics, and leads strategic global security initiatives.

Designs, builds, and operates enterprise security platforms including SIEM, EDR, IAM, and CSPM. Owns logging and detection pipelines, incident response tooling, vulnerability integrations, cloud security guardrails, identity workflows, and network and endpoint controls. Translates compliance frameworks into technical controls, supports audits, evaluates security technologies, mentors team members, and participates in on-call support.

Designs, implements, and optimizes enterprise, cloud, and operational security controls. Responsibilities include managing firewalls, SIEM, EDR, SOAR, IAM, vulnerability assessments, penetration testing, incident response, security monitoring, architecture documentation, compliance alignment, and remediation support. The role collaborates with IT, DevOps, and security teams to improve detection, response, resilience, and audit readiness.

Build secure, scalable platforms and automation for cybersecurity operations, including threat hunting, incident response, PSIRT, product security, vulnerability management, and analyst workflows. Develop LLM-powered agents, integrate SIEM, SOAR, cloud, endpoint, ticketing, and scanning systems, and process high-volume security telemetry. Partner with security teams to automate investigations, enrich alerts, prioritize risks, track remediation, and deliver reliable production services.

Design and build AI-powered, cloud-native backend services and automation platforms to support security outcomes. Integrate data across systems, lead architecture for distributed, resilient systems, prototype emerging AI solutions, and mentor engineers while driving production deployments and operational excellence.

Supports application security through threat modeling, risk assessments, vulnerability triage and remediation, security scanning, developer training, investigations, and implementation of security controls. Partners with development and senior security teams to protect cloud-first infrastructure using AWS, Kubernetes, and related technologies while developing secure coding and SDLC expertise.

Designs, integrates, operates, and continuously improves enterprise security platforms. Responsibilities include security monitoring, incident management, platform integrations, automation, log onboarding, alert correlation, detection tuning, SLA adherence, capacity planning, 24x7 support, and creation of security metrics, dashboards, and executive reports. Partners with cybersecurity, infrastructure, application, and engineering teams to improve security visibility, operational resilience, and the organization’s security posture.

Own and drive product security for the MongoDB Database Server: lead fuzzing, threat modeling, secrets/container security efforts; perform security assessments, POCs, code reviews, and remediation for low-level memory issues; partner with engineering to design controls and educate teams.

Leads the design and implementation of secure IT infrastructure, advanced security monitoring, threat analysis, incident response, digital forensics, risk assessments, and security controls. Maintains Windows environments, Active Directory forests, domain controllers, certificate services, hypervisors, and hardened Group Policy configurations. Evaluates security technologies, documents breaches, mentors junior engineers, and participates in on-call incident response.

Leads cybersecurity and site reliability engineering for manufacturing, factory test, server validation, and rack-level environments. Designs secure network architecture, firewall policies, segmentation, access controls, and Zero Trust implementations. Administers Fortinet, Arista, VMware, server, SAN, backup, and disaster recovery infrastructure. Oversees vulnerability management, incident response, compliance, monitoring, troubleshooting, automation, documentation, production support, and technical mentorship.

Design, deploy, and support CIAM solutions using IBM Verify (ISAM) across hybrid on-prem and Azure environments. Implement authentication, federation, and access management, troubleshoot incidents, optimize platform performance, and collaborate with platform and security teams to ensure scalability and compliance.

Designs, implements, and maintains secure network infrastructure across on-premises, cloud, and hybrid environments. Responsibilities include firewall and VPN management, cloud security configuration, network segmentation, monitoring, vulnerability remediation, incident response, compliance support, documentation, and on-call participation. The role collaborates with IT, DevOps, and product teams to improve security posture and remediate network and cloud risks.

Build Tempo’s product security program from the ground up, including application, infrastructure, endpoint, and supply-chain security tooling. Identify and remediate production and development-pipeline risks, lead incident response through post-mortems, conduct secure design reviews, and establish scalable security practices. The role requires hands-on coding, deep incident-response expertise, strong infrastructure and application-security knowledge, and autonomous collaboration with engineering.

The Cyber Security Engineer will support critical national security missions through cybersecurity engineering work within an information technology environment. The posting specifies full-time employment, a minimum TS/SCI clearance requirement, and up to 10% continental U.S. travel. CACI offers comprehensive benefits, professional development, flexible time off, and competitive compensation.

Design, implement, and maintain cybersecurity infrastructure for mission-critical DoD networks. Perform risk and vulnerability assessments, configure cyber architectures, integrate security controls, monitor systems, respond to incidents, and apply emerging technologies. The role supports Zero Trust, DevSecOps, RMF processes, system certification and authorization, and DoD acquisition requirements while leveraging tools such as CRIBL, GitLab, Kubernetes, and Splunk.

Leads enterprise identity and access management architecture, strategy, governance, and automation across cloud, on-premises, and hybrid environments. Defines agentic identity standards for AI agents and non-human identities, advises executives and technical teams, evaluates emerging IAM technologies, and oversees threat modeling, incident response, compliance, and risk management. Mentors identity professionals, drives identity innovation, and communicates IAM roadmaps and risk posture to senior leadership.

Build, deploy, configure, and maintain on-premises and cloud cybersecurity infrastructure across Windows and Linux environments. Implement AWS-based security solutions, modernize enterprise cybersecurity systems, evaluate technologies, create architecture diagrams and roadmaps, develop testing documentation, and support security assessments and authorization processes. The role requires collaboration with government stakeholders, strong technical communication, DoD-focused enterprise network experience, advanced cybersecurity expertise, an active TS/SCI clearance, and polygraph eligibility.

Designs, implements, monitors, and maintains security technologies protecting systems, networks, and data. Responsibilities include incident response, vulnerability remediation, security architecture reviews, secure network design, identity and access management, cloud security, policy documentation, DevOps security integration, tool implementation leadership, and off-hours support. The role also develops automation, evaluates emerging threats and technologies, supports compliance, and educates colleagues on information security practices.

Designs, tests, and implements boundary security capabilities for DoD enterprise networks. Provides firewall and security appliance support, configures switched and routed network security controls, performs risk and vulnerability assessments, and identifies advanced threats using security events and big data analytics. The role also addresses interoperability, cloud security, enterprise network deployments, and security best practices while mentoring technical staff.

Supports enterprise network security for a government customer by designing secure architectures, conducting risk assessments, managing firewalls and security infrastructure, handling Tier 3 incidents, investigating security events, developing procedures, evaluating technologies, and reporting to senior leadership. Requires active TS/SCI clearance, network security expertise, DoD architecture knowledge, relevant certifications, and experience with enterprise networking and security platforms.

Designs, implements, and maintains information security systems for an Intelligence Community customer. Leads security policies, SSPs, C&A, RMF, POA&M remediation, architecture reviews, vulnerability management, incident response, forensic analysis, and perimeter security operations. Advises technical teams, supports compliance and accreditation, delivers security awareness training, and briefs leadership. Requires extensive cybersecurity experience, active TS/SCI clearance, IAM Level II certification, cloud and network security expertise, scripting skills, and familiarity with DoD and IC security frameworks.