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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Security Engineer (Active Top Secret Clearance Required) - **Company:** Seneca Holdings - **Location:** Washington, DC, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Active Directory, Application Firewall, Software System Penetration Testing, Cyber Security, System Configuration, Identity and Access Management, Intrusion Detection and Prevention, Intrusion Detection Systems, Network Security, Phishing, Tripwire, Trusted Systems, Virtual Machines, In-Plane Switching (IPS), Cyberark, Software Security, Cyber Threat Analysis, SC Clearance, Malware Detection, Vulnerability Analysis - **Published:** August 27, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/18089827?backUrl=%2Fcareer%2F18089827%2FSecurity-Engineer-Active-Top-Secret-Clearance-Required-D-C-Washington ## About the Role * IDS/IPS, penetration testing, and vulnerability assessment in virtualized Windows environments. * Firewall administration and intrusion detection/prevention technologies. * Tripwire, CyberArk, and other SCM tools. * Windows Active Directory (AD). * Virtual machine encryption technologies. * Identity and access management principles. * Application security and data-at-rest encryption. * Secure network architectures. * Information Assurance Assessment and Authorization (A&A) processes. * Knowledge of APTs, phishing, social engineering, NAC, and anti-malware technologies. * U.S. Citizen; Top-Secret Clearance. Skills * Strong technical cybersecurity expertise. * Excellent analytical and problem-solving skills. * Strong written and verbal communication skills. * Ability to work independently with minimal supervision. * Ability to collaborate effectively across technical teams. * Ability to manage multiple priorities under pressure. ## Description Clear Creek Federal isseeking a highly skilled and experienced Security Engineer to join our team, inWashington, D.C. The successful candidate will be responsible for ensuring the security and integrity of systems, networks, and data across the enterprise. The ideal candidate will possess extensive hands-on experience in security engineering, Risk Management Framework (RMF) implementation, and Security Configuration Management (SCM) tools such as Tripwire and CyberArk. This role is a senior individual contributor position with no direct people-management responsibilities. Currently, this position is offered as a Hybrid Role, with 2 days remote. At any time, the client may ask all workforce to be 100% onsite. Responsibilities include, but are not limited to: * Implement and manage security measures in accordance with RMF guidelines. * Utilize Tripwire, CyberArk, and other SCM tools to maintain secure system configurations. * Configure, maintain, and troubleshoot security platforms and supporting infrastructure. * Implement and manage IDS/IPS capabilities and perform vulnerability assessments. * Configure and manage firewall and network security controls. * Apply identity and access management principles to secure systems and data. * Support application security initiatives and data protection requirements. * Conduct security assessments and support A&A activities. * Monitor, analyze, and respond to cybersecurity threats and vulnerabilities. * Collaborate with engineers, administrators, and stakeholders to remediate security risks. * Ensure compliance with security policies, procedures, and regulatory requirements. * Document security configurations, assessments, and remediation activities. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Hacking Kubernetes: Live Demo Marathon](https://www.wearedevelopers.com/videos/488-hacking-kubernetes-live-demo-marathon) - [Passkeys: Truly Phishing-Resistant? Implementation and Pitfalls](https://www.wearedevelopers.com/videos/100156-passkeys-truly-phishing-resistant-implementation-and-pitfalls) - [Checkmate: 5 Real Incidents That Can End a Software Company](https://www.wearedevelopers.com/videos/100126-checkmate-5-real-incidents-that-can-end-a-software-company) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Skynet wants your Passwords! The Role of AI in Automating Social Engineering](https://www.wearedevelopers.com/videos/770-skynet-wants-your-passwords-the-role-of-ai-in-automating-social-engineering) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities) - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Overflow: Security and Privacy](https://www.wearedevelopers.com/magazine/715-the-overflow-security-and-privacy)