Solution Engineer, DSS, Cyber Practice

MANTECH • Herndon, VA

4d • $179,300 - $318,400 • Hybrid

About The Position

MANTECH International Corporation is hiring a Solutions Engineer for its Cyber Practice supporting Defense and Space accounts. Based in Herndon, Virginia, with a hybrid work arrangement, this high-autonomy technical leader serves as the primary technical architect and representative of the Cyber Practice across Department of War and federal space accounts. The role shapes technical vision for proposals, programs, and customer engagements, developing end-to-end cyber solutions when requirements are ambiguous or incomplete.

The position combines technical architecture, capture and proposal leadership, and hands-on prototyping. The engineer works with capture, business development, executive leadership, and Cyber Practice subject-matter experts to define integrated solutions, develop and review proposal materials, and validate solution concepts through demonstrations or proofs of concept. A current and active TS/SCI clearance is required. Travel may be required for customer meetings, demonstrations, or proposal efforts.

The projected compensation range is $179,300 to $318,400. Compensation may vary based on factors including experience, skills, location, education, certifications, and applicable federal contract labor categories. Depending on position, MANTECH benefits include health and life insurance, paid time off, holiday pay, short- and long-term disability, retirement and savings, learning and development opportunities, wellness programs, and optional benefit elections.

Requirements

• Bachelor’s degree in Computer Science, Engineering, Cybersecurity, or a related technical field, or equivalent experience.
• At least 10 years of experience in solutions engineering, systems architecture, or technical pre-sales within government contracting.
• Hands-on experience building working software prototypes, technical mockups, or scripts to support pre-sales or proposal engineering.
• Demonstrated success leading technical solutioning for complex RFIs or RFPs in Department of War, Intelligence Community, or Federal Space/Civilian markets.
• Ability to navigate ambiguous requirements, lead technical strategy, and coordinate cross-functional subject-matter-expert teams.
• Strong written and verbal communication skills, including the ability to translate complex technical concepts into mission-focused proposal volumes.
• Current and active TS/SCI clearance.

Nice To Haves

• Experience developing Work Breakdown Structures, staffing models, and technical pricing strategies for government bids.
• Broad conceptual understanding of cybersecurity domains, including NIST frameworks, Zero Trust Architecture, defensive operations, and security engineering in classified environments.
• Familiarity with AI-assisted tools such as GitHub Copilot or Cursor for technical modeling, workflow generation, or rapid concept validation.

Responsibilities

• Own cyber architecture for major RFIs, RFPs, and proactive capture efforts across Department of War and Federal Space accounts, translating ambiguous customer needs into actionable technical approaches.
• Serve as the lead technical cyber representative on proposal teams and collaborate with Capture Managers, Business Development leads, and executive leadership on capture strategy.
• Work with Cyber Practice subject-matter experts to integrate capabilities such as defensive cyber operations, cryptographic resilience, zero trust, and ICAM into a unified solution.
• Draft, review, and finalize technical proposal volumes, whitepapers, Work Breakdown Structures, and basis-of-estimate materials.
• Lead Pink, Red, and Green technical color-team reviews, defending technical choices and refining the solution narrative throughout the capture lifecycle.
• Use modern tools and AI-assisted development practices to rapidly create high-level architectures, functional concepts, or proofs of concept to validate proposal strategies.
• Develop technical demonstrations and proofs of concept hands-on when needed to validate proposed architectures.

Benefits

• Health insurance
• Life insurance
• Paid time off
• Holiday pay
• Short-term disability
• Long-term disability
• Retirement and savings
• Learning and development opportunities
• Wellness programs
• Optional benefit elections

What This Job Offers

• Job Type: Full-time
• Career Level: Senior