Senior Security Engineer

Job Description

We are seeking a highly skilled Senior Security Engineer to join a multi-disciplinary cybersecurity team supporting mission-critical systems in a regulated federal environment. This hands-on role focuses on implementing and optimizing security controls across on-premises and multi-cloud environments while ensuring compliance with federal cybersecurity frameworks, including FISMA, NIST 800-53, FedRAMP, and RMF .

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The ideal candidate brings deep security engineering expertise built upon a strong systems administration background and has experience with cloud security, vulnerability management, SIEM operations, application security, and emerging AI-driven security technologies. This position works closely with infrastructure, network, and enterprise security teams to strengthen the organization's overall security posture and support secure cloud adoption initiatives.

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Key Responsibilities

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• Implement and maintain security controls across on-premises and cloud platforms, including AWS, Azure, and GCP.
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• Support compliance initiatives related to FISMA, NIST 800-53, FedRAMP, RMF, ATOs, and POA&M management.
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• Enhance and automate security assessments, compliance monitoring, and remediation activities through scripting and available security tools.
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• Evaluate and integrate AI/ML and LLM-based capabilities to improve threat detection, assessment, remediation, and operational efficiency.
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• Administer and optimize security technologies such as SIEM, vulnerability management, application security, and centralized logging platforms.
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• Support security monitoring, event correlation, incident investigation, and continuous compliance reporting using tools such as Splunk and Tenable.
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• Conduct cloud security reviews, threat modeling, and vulnerability assessments to support secure deployments and cloud migrations.
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• Collaborate with system administrators, developers, and infrastructure teams to identify and remediate security risks.
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• Provide security guidance, best practices, and technical recommendations across server, workstation, network, and cloud environments.
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• Develop and maintain security documentation, procedures, standards, and operational guidance.
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Required Qualifications

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• 10+ years of information security experience, including 7+ years in hands-on security engineering roles.
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• Minimum 3 years of experience securing cloud environments (AWS, Azure, and/or GCP).
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• Strong background in Linux and Windows administration with a foundation in systems engineering or systems administration.
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• Experience implementing security controls in hybrid cloud and on-premises environments.
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• Working knowledge of federal security frameworks including FISMA, NIST 800-53, FedRAMP, RMF, ATO, and POA&M processes.
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• Experience with enterprise security tools such as Splunk, Tenable, Checkmarx , or similar technologies.
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• Understanding of vulnerability management, application security testing, remediation workflows, identity and access management, encryption, and centralized logging.
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• Experience utilizing scripting or automation tools such as PowerShell, Python, Bash, or APIs.
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• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field (or equivalent experience).
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• CISSP certification or ability to obtain within six months of hire.
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• Excellent communication and collaboration skills with both technical and non-technical stakeholders.
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Preferred Qualifications

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• Experience integrating AI/ML capabilities into cybersecurity operations and automation workflows.
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• Hands-on experience with Splunk engineering, SIEM administration, security analytics, and event correlation.
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• Cloud security certifications such as AWS Security Specialty, Azure Security Engineer Associate, or Google Professional Cloud Security Engineer.
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• Experience securing containerized environments, including Docker and Kubernetes.
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• Advanced Linux and Windows administration expertise.
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• Master's degree in Cybersecurity, Computer Science, Information Technology, or a related technical discipline.
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What You'll Bring

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• A proactive, hands-on approach to solving complex security challenges.
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• Ability to balance security, compliance, and operational requirements in fast-paced environments.
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• Strong analytical skills with the ability to identify systemic risks and drive practical remediation strategies.
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• Passion for leveraging emerging technologies, including AI-driven security solutions, to enhance organizational security.
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Join us in protecting critical systems, enabling secure cloud adoption, and advancing cybersecurity capabilities through innovation, automation, and continuous improvement.