Junior Security Engineer - Endpoint Specialist

E

Expression

Junior Security Engineer - Endpoint Specialist

Boulder, CO
Full Time
Paid
  • Responsibilities

    Junior Security Engineer - Endpoint Specialist

    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.

    Location and Clearance

    • Boulder, CO
    • Active Secret or Top Secret clearance required (U.S. Citizenship required)

    Responsibilities

    • Assist in the engineering, maintenance, and monitoring of endpoint security solutions to ensure compliance with federal security standards.
    • Perform vulnerability and risk analyses of systems and applications throughout the development life cycle, providing actionable recommendations.
    • Provide technical support for monitoring, patching, and troubleshooting LANs, network devices, and endpoint systems to ensure optimal performance and security.
    • Support the deployment, configuration, and maintenance of endpoint management platforms, including Microsoft Endpoint Configuration Manager (MECM) and IBM BigFix.
    • Manage software deployment, operating system imaging, and patch compliance across enterprise endpoints.
    • Monitor endpoint health and remediate compliance, performance, or configuration issues.
    • Assist with device imaging, provisioning, and lifecycle management for end-user systems.
    • Conduct proactive vulnerability scanning, reporting, and remediation coordination with stakeholders
    • Collaborate with system administrators, cybersecurity staff, and SOC teams to maintain endpoint security baselines and respond to incidents.
    • Support Certification and Accreditation (C&A) activities by preparing documentation, performing assessments, and presenting findings to leadership.
    • Evaluate and integrate hardware, software, and telecommunications solutions to meet organizational and security requirements.
    • Maintain accurate endpoint management and asset inventory records.
    • Develop and update standard operating procedures (SOPs) and technical documentation for configuration, troubleshooting, and patching processes.
    • Deliver courteous, timely, and effective technical support to NTIA users on endpoint-related issues.

    Qualifications

    • 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.

    Preferred Experience

    • 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.

    Benefits

    Expression offers highly competitive salaries, performance-based incentives, and additional benefits, such as:

    • 401k matching
    • PPO and HDHP medical/dental/vision insurance
    • Education reimbursement up to $10,000/yr
    • Complimentary life insurance
    • Generous rollover PTO and 11 days of holiday leave

    About Expression

    Founded in 1997 and headquartered in Washington, DC, Expression provides data fusion, data analytics, AI/ML, software engineering, information technology, and electromagnetic spectrum management solutions to the U.S. Department of Defense, Department of State, and national security community.

    Our culture emphasizes creating immediate and sustainable value for our clients through agile delivery of tailored solutions and constant engagement. We were ranked #1 on the Washington Technology Fast 50 list of fastest-growing small business Government contractors and recognized as a Top 20 Big Data Solutions Provider by CIO Review.

    At Expression, we ensure every team member has the tools and opportunities to grow while working with the newest technologies in the industry. We celebrate milestones, accomplishments, promotions, and collaborative achievements that make our workplace engaging and rewarding.

    Equal Employment Opportunity Statement

    Expression is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.