Senior Security Engineer

Job Description

Everforth ECS is seeking a Senior Security Engineer to work in our Portland, OR office. Note: This position is contingent upon contract award.

The Senior Security Engineer plays a critical role in designing, implementing, and maintaining advanced security controls to protect the organization’s infrastructure, applications, and data. This role combines hands‑on engineering, incident leadership, and strategic security design, serving as a technical authority and mentor within the security organization.

The ideal candidate has deep technical expertise, strong judgment under pressure, and the ability to drive security outcomes across complex, distributed environments.

Key Responsibilities

Security Engineering & Architecture

• Design, implement, and maintain security controls across network, endpoint, cloud, and application environments
• Lead secure architecture reviews and contribute to system and platform designs
• Evaluate and recommend security tools, technologies, and architectural improvements
• Ensure security is embedded into system lifecycles and engineering workflows

Detection, Monitoring & Incident Response

• Design and tune detection logic, alerts, and monitoring for threats and anomalous activity
• Lead and support incident response activities, including triage, investigation, containment, and remediation
• Perform root cause analysis and drive long‑term corrective actions
• Support threat hunting and proactive security assessments

Vulnerability & Risk Management

• Oversee vulnerability management efforts, including prioritization and remediation guidance
• Conduct security assessments, configuration reviews, and system hardening
• Support compliance, audit, and risk management initiatives

Automation & Engineering Excellence

• Develop scripts, tooling, or automation to improve security operations and response
• Partner with DevOps, SRE, and engineering teams to integrate security tooling into CI/CD pipelines
• Improve reliability, scalability, and efficiency of security platforms

Leadership & Collaboration

• Serve as a technical escalation point and subject matter expert
• Mentor and guide junior security engineers
• Collaborate cross‑functionally with IT, DevOps, Product, and SOC teams
• Communicate risks, findings, and recommendations to technical and leadership audiences

Required Skills

• U.S. Citizenship with ability to obtain and maintain a DOE “L” clearance after start.
• 5+ years of experience in security engineering or related technical security roles
• Strong expertise in:
• Operating systems (Linux, Windows)
• Networking concepts and protocols
• Common attack techniques and defensive controls
• Hands‑on experience with enterprise security tools such as:
• SIEM, EDR/XDR, IDS/IPS, vulnerability scanners, firewalls
• Experience leading or significantly contributing to incident response efforts
• Strong scripting or automation skills (Python, Bash, PowerShell, or similar)

Desired Skills

• Experience with cloud security (AWS, Azure, GCP) and hybrid environments
• Familiarity with infrastructure‑as‑code and CI/CD tooling
• Experience in regulated industries (finance, healthcare, government)
• Security certifications (CISSP, GIAC, Security+, CEH, or equivalent)
• Experience designing security for large‑scale or high‑availability environments

#EverforthECS1

ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law.

Everforth ECS is the federal segment of Everforth, a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies.

Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow.

We Value

• Attracting and developing top talent and high-performing teams
• Fostering a culture that is engaging, accountable, and mission-driven

Meet the challenge. Make a difference with Everforth ECS!