Overview Millennium is proud to be part of the Markon enterprise, a network of specialized organizations united in support of critical national security missions. This partnership strengthens our ability to deliver results by expanding our technical depth, operational reach, and access to a broader bench of proven experts, ensuring our customers continue to receive best-in-class cybersecurity support. Since 2004, Millennium has operated at the forefront of cybersecurity. Our elite team of over 300 professionals brings an unmatched record of performance across Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering. As home to the largest contingent of contracted Red Team operators supporting the Department of Defense, Millennium delivers unparalleled threat intelligence and battle-tested expertise to both DoD and federal civilian customers. What We Believe Millennium is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state, or local law. Responsibilities Millennium Corporation is hiring a **Cyber Security Engineer to work in Hanscom, MA in a hybrid capacity.** The candidate must have **an active top secret clearance.** Duties include, but not limited to: - Serve as a technical point of contact and subject matter expert for ISSO-related matters. - Complete security assessments on the AOC WS development suites, prepare the final security assessment reports, which includes technical recommendations for both STIGs and ACAS findings. - Provide technical input, recommendations, and assistance with the implementation of cyber security approaches, methods and solutions that incorporate and maintain compliance to requirements resulting from laws, regulations, and other DoD and AF guidance. - Assess proposed changes to information systems, their environment of operation, and mission needs that could affect system authorization. - Provide purposeful security architecting, design, development, and configuration of information systems to the AOC WS ISSM. Provide inputs to the AOC WS ISSM for designing and developing organizational information systems and upgrading legacy systems. - Employ best practices when implementing security requirements for information systems including software engineering methodologies, system/security engineering principles, secure design, secure architecture, and secure coding techniques. - Apply knowledge of technical, analytical skills to ensure the confidentiality, integrity, and availability of all information systems assets and ensure compliance with company policies, procedures, contractual, and regulatory requirements. - Responsible for supporting LAN/WAN security solutions including creating and maintaining LAN/WAN security standards and design documentation - Stay ahead of cyber security developments, recommend cutting-edge security solutions, and manage the integration of these technologies into existing AOC WS development suites. - Develop and implement network security policies, ensuring alignment with legal and organizational standards, and conduct regular system audits to identify and mitigate vulnerabilities. - Investigate, monitor, and troubleshoot firewall-related issues including performance and connectivity problems and security logs to identify and respond to potential threats and vulnerabilities, conducting routine PAN OS checks for monitoring and analysis. - Maintain detailed and accurate documentation of firewall configurations, changes, and network diagrams. Qualifications - Candidate must have an active Top Secret clearance. - BS/BA Degree and 7+ yrs of experience and 5 yrs within DoD. - Strong understanding of cybersecurity principles, practices, and technologies - Risk Management Framework (RMF), with emphasis on taking projects from Step 1 to Step 5 - Vulnerability Management, Tenable Nessus (ACAS-DoD version of Nessus) STIGs, capable of applying system security engineering expertise to various client/server environments. Business Development Assist with Business Development activities as required to support Millennium's strategic business objectives, which may include but not limited to participation in technical interviews, creation of technical documentation, general proposal writing support and proposal color reviews. Physical Requirements - Must be comfortable with prolonged periods of sitting at a desk and working on a computer. - Must be able to lift up to 10-15 pounds at a time. Travel Requirements 5% COMPENSATION: $125K- $130K DoE