Junior Security Engineer - Endpoint Specialist

hatch I.T. is partnering with Expression to find a Junior Security Engineer - Endpoint Specialist. See details below:

About The Role:

Expression is seeking a mission-driven Endpoint Security Engineer to support the National Telecommunications and Information Administration (NTIA). This individual will play a critical role in ensuring the security and compliance of NTIA systems and endpoints, delivering vulnerability assessments, supporting Certification & Accreditation (C&A) processes, and aligning systems with federal cybersecurity mandates for various information systems. The position requires technical expertise in endpoint protection, vulnerability management, and secure information systems engineering in federal environments.

About the Company:

Founded in 1997 and headquartered in Washington DC, Expression provides data fusion, data analytics, software engineering, information technology, and electromagnetic spectrum management solutions to the U.S. Department of Defense, Department of State, and national security community. Expression’s “Perpetual Innovation” culture focuses on creating immediate and sustainable value for their clients via agile delivery of tailored solutions built through constant engagement with their clients. Expression was ranked #1 on the Washington Technology 2018's Fast 50 list of fastest growing small business Government contractors and a Top 20 Big Data Solutions Provider by CIO Review.

• Assist in the engineer, maintenance, and monitoring endpoint security solutions to ensure compliance with federal security standards.
• Perform vulnerability and risk analyses of information systems and applications throughout the system development life cycle.
• Provide technical support for monitoring, patching, and troubleshooting of LAN, network devices, and endpoint systems.
• Troubleshoot and resolve routine network and endpoint security issues to ensure system availability and security.
• Support Senior Engineers with C&A activities by preparing documentation, conducting assessments, and presenting findings to leadership.
• Assist with the evaluation and integration of hardware, software, and telecommunications equipment to meet security requirements.
• Install and maintain network operating systems, ensuring alignment with organizational and federal security policies.
• Conduct proactive vulnerability scanning and reporting to stakeholders, recommending remediation strategies.
• Contribute to SOC and cybersecurity team efforts by coordinating on incident escalations and security improvements.

• Bachelor’s degree in Information Systems, Computer Science, Engineering, or related field (or equivalent practical experience).
• Minimum of 2 years of experience in endpoint security engineering, vulnerability management, or related cybersecurity functions.
• Knowledge of LAN/WAN, endpoint security tools, and network operating systems.
• Strong understanding of federal cybersecurity compliance requirements.
• Ability to troubleshoot technical issues and provide timely solutions.
• Extensive knowledge in various operating systems (e.g. Windows, macOS, Linux and Unix).
• Excellent communication and documentation skills.
• Active Secret or Top Secret clearance required (U.S. Citizenship required)

• Professional certifications such as CompTIA Security+, GSEC (GIAC Security Essentials), Microsoft SC-900 / AZ-500, or AWS Security Certification.
• Prior experience supporting NTIA, Department of Commerce, or other federal civilian agencies.
• Familiarity with NIST Cybersecurity Framework, Risk Management Framework (RMF), and C&A processes.
• Hands-on experience with endpoint detection and response (EDR) tools, SIEM platforms, and vulnerability management systems.
• Experience preparing technical documentation and presenting remediation strategies to federal leadership.