Senior Cybersecurity Engineer

Job Description

Senior Cybersecurity Engineer / Security Architect (MLS & High-Assurance Systems)

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Location: Hanover, MD (on-site) *** NOT REMOTE***

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Type: Full-time

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Clearance Required: No clearance required, must be clearable.

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About Us

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Eccalon provides global solutions to the most challenging technological issues of the 21st-century, and our evolving portfolio spans five major markets: Machine Learning, Cybersecurity, Aerospace & Defense, Material Sciences, Advance Manufacturing, Sports Science, Biotechnology, and Health & Life Sciences. Visit our website here.

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Why Join Us?

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Eccalon's Executives foster a supportive work environment allowing our teams to thrive, and have a fierce dedication to innovation, security, and people. Our culture is built on inclusion, teamwork, trust, and we are committed to offering career advancement opportunities to all employees. Encouraging a healthy and balanced life, we offer an extensive benefits package to support the wellness of our employees and their families. You will be joining a team of innovators, working with cutting edge technologies, supporting mission critical projects, and making an impact.

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Job Description

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The Senior Cybersecurity Engineer / Security Architect is responsible for defining, implementing, and evaluating advanced cybersecurity solutions for high-assurance environments supporting sensitive and classified information. This role requires deep expertise in multilevel security (MLS), security architecture, and risk management, with a strong foundation in NIST and CMMI-aligned cybersecurity programs. The individual will operate independently or as part of a multidisciplinary team, providing technical leadership, mentoring junior staff, and delivering defensible security solutions for complex systems.

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Responsibilities

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• Define and document security requirements for high-assurance systems and applications.
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• Evaluate security technologies and products to ensure suitability for classified or sensitive environments
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• Design and implement MLS-compliant security solutions addressing complex data separation and access control challenges.
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• Conduct and support cybersecurity risk assessments aligned to NIST CSF and CMMI maturity models.
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• Provide technical leadership, mentoring, and subject-matter expertise to junior engineers and analysts.
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• Collaborate with stakeholders to ensure security solutions align with mission, compliance, and operational needs.
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Required Qualifications

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Core Cyber Security & Information Protection Experience

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• Minimum of eight (8) years of experience in information protection, including the design, implementation, and governance of security programs or processes for the protection of sensitive or classified information.
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• Demonstrated experience performing IT risk assessments, threat analysis, and security control evaluations in complex enterprise or government environments.
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• Proven ability to work independently or under general supervision, contributing as a senior technical resource on cybersecurity initiatives.
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• Experience coaching and mentoring junior technical staff, providing guidance in highly specialized security disciplines.
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Security Architecture & Requirements Definition

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• At least eight (8) years of specialized experience in:
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• Defining computer security requirements for high-level or mission-critical applications.
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• Evaluating and validating approved security product capabilities.
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• Designing and implementing solutions to Multilevel Security (MLS) problems.
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• Hands-on experience translating mission, system, and regulatory requirements into enforceable security architectures and technical controls.
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Frameworks, Standards, and Maturity Models

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• Demonstrated experience supporting or delivering cybersecurity projects aligned to:
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• NIST Cybersecurity Framework (NIST CSF)
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• Capability Maturity Model Integration (CMMI)
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• Hands-on experience translating mission, system, and regulatory requirements into enforceable security architectures and technical controls.
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Specialized Technical Disciplines

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• Penetration testing and adversarial security assessments.
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• Intrusion detection, security monitoring, and audit log analysis.
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• Public Key Infrastructure (PKI) and certificate-based trust models.
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• Cryptography and cryptographic key management.
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• Strong authentication mechanisms and identity assurance.
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• Multilevel Security (MLS) architectures and trusted systems design.
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Education

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• Bachelor’s degree from an accredited college or university in Engineering, Computer Science, Information Systems, Business, or a closely related discipline.
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Preferred Qualifications

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• Strong analytical and problem-solving skills in complex, high-risk environments.
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• Ability to communicate technical security concepts clearly to both technical and non-technical audiences.
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• Experience operating in regulated, government, or defense-related environments.
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