Senior Information Systems Engineer (Endpoint Security & C&A)

About the role

RESULTS. INNOVATION. VALUES. ACCOUNTABILITY.

That's RIVA.

We're a mission-driven IT services company and systems integrator supporting digital transformation and modernization for federal government agencies. Since 2009, we've partnered with our customers to solve complex challenges through smart, practical innovation to deliver real outcomes where they matter most. Our teams are made up of industry-leading experts who are passionate about doing great work and making a difference. We don't just develop solutions, we support efforts that strengthen communities and serve the public good.

RIVA's culture is built on four core values: Results, Innovation, Values, and Accountability. They guide how we work, how we collaborate, and how we measure success. Our employee-first approach is rooted in trust, ownership, and meaningful work. By investing in our people and fostering a flexible, supportive environment, employees have the opportunity to grow their skills, contribute ideas, and make an impact from day one. all while supporting missions that matter.

Position Overview

Seeking a Senior Information Systems Engineer (Endpoint Security & C&A) to provide advanced security engineering, endpoint device management, certification/accreditation (C&A), and federal vulnerability reporting support. The position will be in support of the Information Technology Service Desk and Engineering Support program for a Contract at U. S. Department of Health and Human Services.

The engineer will play a critical role in designing, testing, and implementing endpoint and network security solutions, ensuring compliance with NIST, FISMA, FedRAMP, CISA Binding Operational Directives (BODs), and HHS OIG standards. This position requires hands-on expertise in endpoint engineering, vulnerability reporting, security architecture, and certification/accreditation processes, with an emphasis on presenting security findings and remediation strategies to management.

Security Engineering

• Support Government-furnished security services assets plus systems, including refreshes and upgrades. Analyze and deliver monthly status reports.
• Engineer security solutions for hardware, software, and services to protect networks from unauthorized devices, users, and malicious code.
• Provide security engineering support in compliance with federal and HHS security mandates, including NIST SP 800-53, NIST SP 800-207 (Zero Trust), DISA STIGs, FedRAMP, and FIPS standards.
• Conduct security reviews of network configurations, firewall rules, and endpoint solutions, providing recommendations for continuous improvements.
• Safeguard Personally Identifiable Information (PII) in compliance with NIST SP 800-122.
• Provide real-time or near real-time log forwarding to SIEM systems and support audit requirements.

Vulnerability & Compliance Reporting

• Monitor and assess CVE and Known Exploited Vulnerability (KEV) catalogs published by CISA.
• Develop, document, and deliver reports on CVE/KEV findings, remediation timelines, and risk ratings.
• Track and report compliance with CISA Binding Operational Directives (BODs), including mandated remediation deadlines.
• Prepare executive summaries and technical reports on vulnerability management activities for leadership.
• Present vulnerability, risk, and remediation findings to management and stakeholders in a clear, actionable manner.

Endpoint Engineering & Certification/Accreditation

• Provide engineering support for endpoint devices (desktops, laptops, thin clients, tablets, mobile phones, and wearables).
• Develop technical plans for endpoint engineering, covering design, scheduling, resources, and monitoring.
• Conduct endpoint integration and security testing to ensure compliance with defined requirements and HHS-OIG policies.
• Develop and maintain endpoint-related SOPs, requirements documentation, and acceptance criteria.
• Perform regular technical reviews with Government staff and present recommendations to improve efficiency and cybersecurity concerns.
• Assist with System Security Plans (SSPs), Contingency Plans, POA&Ms, and Penetration Test Reports.
• Mitigate high-risk vulnerabilities within 30 days and moderate-risk vulnerabilities within 90 days.
• Collaborate with HHS OIG and internal technical teams regarding incidents, escalations and reportig

Minimum Qualifications

• Bachelor's degree in Information Systems, Computer Science, Engineering, or related field (or equivalent practical experience).
• 8+ years of experience in IT security engineering, endpoint security, vulnerability management, and C&A processes.
• Strong knowledge of federal IT security frameworks, including:
• NIST SP 800 series (800-53, 800-122, 800-157, 800-207, etc.)
• FIPS 140-2 and FIPS 201-2
• FedRAMP standards
• FISMA requirements
• CISA Binding Operational Directives (BODs) and KEV reporting requirements
• Hands-on experience with vulnerability assessment, CVE/KEV reporting, and remediation tracking.
• Experience preparing and presenting security findings and compliance reports to executive management.
• Expertise in endpoint engineering and SIEM integration.
• Strong documentation and technical writing skills, including C&A documentation.

Preferred Qualifications

• Advanced degree in Cybersecurity, Engineering, or related field.
• Security certifications such as CISSP, CISM, CISA, CEH, CompTIA Security+, or equivalent.
• Experience supporting HHS, DHS, DoD, or other federal agencies in endpoint security and compliance reporting.
• Expertise in Zero Trust Architecture, endpoint detection/response, and advanced vulnerability management solutions.
• Strong presentation and stakeholder presentation skills.

Additional Information

• Must be able to obtain and maintain a Public Trust clearance.
• This role involves direct collaboration with Government staff and requires strict adherence to security and confidentiality protocols.
• The salary or salary range for this role reflects an estimated range informed by multiple compensation factors. Final offers may vary based on considerations such as relevant experience, education and training, critical skillsets, and overall business needs.