Top Security Engineer Jobs

Design, implement, and manage large-scale network and security solutions (Cisco/Juniper). Lead incident resolution, stakeholder communications, IPv4 planning, monitoring, and customer-facing technical consulting with regular travel.

Senior Java Security Engineer responsible for building and securing Java/Java EE applications, applying strong object-oriented design, and implementing security protocols such as SSL and cryptography.

Short-term (2-month) contract to design, build, and secure multi-site networks (LAN/MAN/WAN). Responsibilities include routing (EIGRP/OSPF/BGP), VPN and remote-access deployments, VLANs, ACLs, NAT, STP, DMVPN/MPLS designs, and integrating firewalls/load balancers across Cisco, F5, Palo Alto, and Citrix NetScaler platforms.

Lead enterprise incident response as senior incident commander across hybrid and multi-cloud environments. Own incident readiness, runbooks, exercises, and after-action governance. Drive detection engineering and telemetry in AWS, coordinate containment/recovery, improve detection quality, and brief executive leadership. Mentor teams and operationalize compliance and measurable response outcomes.

Provide security oversight for network and mainframe systems, evaluate security architecture, recommend/security hardware and software, perform security audits and penetration testing, support disaster recovery, and assist in creating and reviewing information security policies and standards.

Operate within a Managed Security Services environment to perform incident response, vulnerability scanning and remediation oversight, manage security tools (SIEM, IDS/IPS, malware defenses), automate analysis and remediation, maintain policies and SOPs, provide training and audit support, and ensure SLAs are met.

Lead vulnerability management strategy and execution across cloud and hybrid environments. Own end-to-end vulnerability lifecycle, drive automation, perform data-driven prioritization with advanced SQL, and partner with engineering, risk, and incident response teams. Provide hands-on engineering, on-call support, mentoring, and offensive security research to reduce exposure and improve operational reliability.

Perform enterprise risk assessments of networks, systems, and business applications. Collaborate with system owners and stakeholders to analyze, test, and document security controls across the agency environment.

Design, implement, and maintain enterprise security architecture; run vulnerability scans and penetration tests; monitor SIEM and respond to incidents; manage IAM, DLP, encryption, and endpoint hardening; ensure compliance (CMMC, SOC 2, GDPR, PCI-DSS); provide security training and incident reporting.

Design and implement security controls across product, platform, and infrastructure. Threat model designs, review code and architectures, find and remediate vulnerabilities, improve detection and response, and automate security workflows and developer-friendly tooling to scale security across the company.

Provide security oversight for network and mainframe systems to ensure confidentiality, integrity, and availability. Evaluate security architecture, recommend hardware/software, perform risk assessments and penetration testing, support security projects and disaster recovery, and assist in policy and standards creation.

Secure enterprise information by monitoring, implementing, and reviewing security systems. Evaluate security initiatives, identify and remediate vulnerabilities, develop global security strategies, perform risk assessments, and implement McAfee ePolicy Orchestrator policies.

Designs and maintains enterprise security architecture aligned with NIST RMF and DoD STIGs. Performs security engineering across the SDLC, vulnerability management with Nessus/ACAS/Qualys, incident response and threat detection using Splunk, endpoint protection and PAM (CyberArk), automation with PowerShell/Python/Bash/Ansible, cloud and container security (AWS/Azure/Kubernetes), documentation, training, and technical leadership for accreditation and continuous monitoring.

Perform offensive and defensive security testing for vehicle software and backend systems, lead V&V efforts, set up penetration test benches, audit code, run fuzzing and vulnerability research, prioritize and drive mitigations, and work with internal teams and customers to develop secure automotive products per ISO 21434 and UN R155.

Design, administer, and harden Okta-based identity architecture and SSO integrations; implement RBAC and access governance; manage cross-platform MDM and OS hardening; integrate identity telemetry with SIEM; implement privileged access and secrets controls; support compliance (CMMC, FedRAMP, NIST, ITAR) and audit evidence collection.

Install, configure, maintain and troubleshoot network security devices (LAN/WAN/MAN). Test and modify security configurations, provide consulting to state agencies, fulfill service-desk work orders, and maintain device OS/app security. Requires hands-on experience with Cisco ASA 5500-X and/or Juniper MAG and SRX devices. Must pass background check, be on-call and available onsite within 30 minutes, work flexible hours, and meet physical and driving requirements.

Provide Tier 2 network security support for shared firewall environments: configure and maintain Cisco, Juniper, and Fortinet firewalls; perform code upgrades, VPN setup, MACD, performance and rule analysis; validate designs, recommend minor architecture changes, and troubleshoot end-to-end network and application connectivity with 24x7 production support.

Design, implement, and operate security platforms (firewalls, IDS/IPS, SIEM, MDM). Perform vulnerability assessments, monitor and analyze security logs, drive remediation, enforce security policies, and evaluate new security technologies.

Design, implement and maintain network security solutions (firewalls, IDS/IPS, proxies). Investigate compromises, manage security policies, support remediation, troubleshoot complex network and connectivity issues, and produce process documentation.

Lead security strategy, operations, and GRC across corporate and customer-facing transit systems. Drive security architecture, incident response (incident commander), threat intelligence, tabletop exercises, vendor risk management, and compliance across PCI DSS, SOC 2, and ISO 27001. Serve as primary auditor contact and communicate risk to leadership.

Senior IT Security Engineer responsible for security risk assessments, application security reviews, penetration testing, secure software development, code reviews, threat modeling, and malware analysis. Works with web and microservice technologies (Node.js/Java), CI/CD and DevOps practices, databases (Oracle/MySQL/MongoDB), and produces security guidance, tooling, and metrics to support modernization and sustainment projects.

Support and coordinate IT security programs and policies. Provide information assurance and security guidance to developers, administrators, and owners. Assess security impacts of changes, maintain SSPs, conduct security assessments for A&A, support AO/DAO/SCA/ISSM to obtain and maintain ATOs, respond to security tickets daily, and use COTS/GOTS tools to report system status and compliance.

Manage vulnerability data inflow from scanning teams, identify and research findings, coordinate remediation plans with infrastructure tower teams (compute, storage, network, voice), track and report remediation progress, and contribute to multi-disciplined service delivery teams.

Secure enterprise information by monitoring, implementing, and reviewing security systems. Identify and remediate threats and vulnerabilities, perform risk assessments, develop global security strategies, and implement security policies and controls. Focus on network security, multi-OS environments, and McAfee ePolicy Orchestrator operations across a global enterprise.

Develop an application to embed secure hyperlinks for an eFiling project. Implement authentication/authorization (OWIN, JWT, OpenID Connect, Azure AD), integrate with MS SQL/NoSQL, MQ, SOAP/REST services, and use .NET/WCF stack. Onsite contract in Phoenix, short initial term; background check required.