Security Engineer - Senior

Description

The company is a technology firm that works only with the US federal government, serving defense, national security, public safety, civilian, and military health agencies.

Its 13,000+ staff work on technology projects for these clients.

This senior role leads security engineering across several systems, including enterprise applications, cloud environments, and critical infrastructure. You will strengthen the security posture through monitoring, threat detection, incident response, and ongoing improvements, and you will design controls and mentor others.

Responsibilities

• Protect applications, cloud platforms, networks, and enterprise infrastructure.
• Lead incident response, cyber resiliency, vulnerability management, and threat detection work.
• Design and deploy security controls, and support cloud platforms on AWS, Azure, or Google Cloud.
• Use security monitoring, logging, SIEM, and alerting tools with skill.
• Write security policies, procedures, and technical documentation.
• Mentor colleagues and keep work aligned with defense-in-depth principles and security policies, including compliance with organizational cybersecurity requirements.
• Work on multi-model and multi-modality orchestration, including advanced AI and data architecture.
• Manage enterprise infrastructure and cross-domain solutions, including air-gapped and hybrid environments.
• Build and integrate applications using modern programming languages and frameworks.

Requirements

• US citizenship and a Top Secret clearance.
• A bachelor's degree.
• At least 8 years securing applications, cloud platforms, networks, and enterprise infrastructure.
• Experience with cloud technologies such as AWS, Azure, or Google Cloud.
• Hands-on skill with security monitoring, logging, SIEM, and alerting tools.
• A solid grasp of network security, encryption, authentication, and access control technologies.
• Experience writing security policies, procedures, and technical documentation.
• Strong analytical, troubleshooting, and communication skills.
• Experience with custom in-house applications and with AI, GenAI, and multi-model engineering.
• Data architecture skills across vector, graph, and multi-database orchestration.
• Experience in air-gapped, hybrid, and on-premise operating environments.
• Application development and integration skills with TypeScript, React, Python, FastAPI, and similar tools.
• A master's degree in cybersecurity, information assurance, or a related field.
• A certification such as CISSP, Security+, CCSP, CISM, GIAC, AWS Security Specialty, Azure Security Engineer, or a similar one.
• Experience supporting government, defense, intelligence, or highly regulated environments.
• Knowledge of Zero Trust Architecture, NIST frameworks, RMF, and compliance requirements.
• Experience with DevSecOps, container security, and Infrastructure as Code (IaC) security practices.
• Experience managing COMSEC resources or cryptographic key management systems.
• Familiarity with security automation, SOAR platforms, and advanced threat hunting techniques.

Conditions

The base pay range is $88,100 - $178,200 USD for roles in California, Colorado, Connecticut, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Ohio, Vermont, Virginia, Washington, and the District of Columbia, as local law requires.

Pay varies by office location, role, skill set, and experience.

Applications are accepted on an ongoing basis, with no fixed deadline.

The company is committed to equal opportunity and an inclusive workplace.

Benefits

• A wide variety of benefits is offered, and more details are available on the company's website.
• Opportunities to grow through hands-on experience, certifications, and industry training.