Senior Cyber Security Engineer

About the role

Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology. As a Senior Cyber Security Engineer, you will support critical DoD and Intel missions and programs, focusing on cybersecurity engineering, risk management, and compliance across cloud and on-prem systems. This role involves system authorization, vulnerability management, and secure operations in classified environments.

Responsibilities

• Apply RMF processes to support system Assessment & Authorization (A&A), including control selection, implementation, assessment, and continuous monitoring.
• Develop, review, and maintain security documentation such as SSPs, POA&Ms, SARs, and ATO artifacts in tools such as XACTA or eMASS.
• Conduct vulnerability assessments and compliance scans (e.g., ACAS) and track remediation of findings and IAVM requirements.
• Implement and validate security controls aligned with NIST 800-53, CNSSI 1253, and related DoD guidance.
• Support system hardening, patching, and configuration management in compliance with STIGs for Linux, Windows, and network devices.
• Monitor systems for security events and support incident response and risk mitigation activities.
• Assess security impacts of system changes and support configuration control boards (CCBs).
• Collaborate with system engineers, administrators, and DevSecOps teams to integrate security throughout the system lifecycle.
• Provide cybersecurity risk input to program leadership, Authorizing Officials (AOs), and stakeholders.
• Other duties as assigned.

Requirements

• Bachelor’s degree with 5+ years of experience (or equivalent experience).
• Experience with RMF, A&A, POA&M, and ATO documentation (XACTA/eMASS).
• Experience securing Linux and Windows systems, STIGs, patching, and system hardening.
• DoD 8570 IAT Level II or higher certification (e.g., Security+, CySA+, CISSP).
• Active or current (within two years of active) Top Secret Security Clearance with SCI eligibility.

Preferred Qualifications

• Scripting or development experience (Python, Java, React).
• DevSecOps tools and pipeline experience.
• Experience with Linux (Red Hat/CentOS), databases, web apps, or big data platforms.
• Familiarity with Agile environments and tools (Jira, Confluence).
• Experience with NIST SP 800-171 and System Security Engineering (SSE).

Skills

• Hands-on vulnerability scanning and compliance tracking (ACAS, IAVM).
• Knowledge of NIST 800-series publications and incident response processes.
• Strong analytical, communication, and collaboration skills.
• Ability to work independently and yet be effective within a team setting.
• Capability of managing multiple efforts with time-related constraints in a fast-paced contracting environment.
• Demonstrated ability to effectively communicate and collaborate with diverse internal and external stakeholder groups and individuals.
• Friendly presence, helpful attitude, good interpersonal skills, and ability to work well with others.
• Excellent skills in Microsoft Word, Excel, and other Office applications.
• Proficient with Microsoft Office Applications, and experience working in a home office setting.
• Ability to provide technical assistance and support over the phone; good phone skills, professional demeanor, and previous customer service experience strongly desired.
• Good problem-solving skills; ability to visualize a problem/situation and think abstractly to solve it.

How you’ll grow

At Chenega MIOS, our professional development plan focuses on helping team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn. We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers.

Benefits

At Chenega MIOS, we value our team members and offer them a broad range of benefits. Our culture encourages team members to do their best work every day by recognizing their uniqueness and offering flexibility to make daily choices that help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives.

Corporate citizenship

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, team members, and communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities.

Pay

Estimated salary/wage: USD $180,000.00/year up to USD $210,000.00/year.