Senior Security Systems Engineer – Federal

M.C. Dean, Inc.; McLean (VA); On-site; USD 104,000 - 130,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

401k Retirement Plan

Paid time off

Tuition reimbursement

Military Reserve pay offset

Paid maternity leave

Job summary

M.C. Dean, a leader in Building Intelligence®, seeks a Senior Security Systems Engineer 3 in the SES unit to design, integrate, and operate cyber‑physical security solutions for federal, local, and commercial customers.

You will apply systems engineering across the full lifecycle, translate needs into architectures and requirements, lead integration, testing, and deployment, and communicate complex concepts to technical and non‑technical audiences.

Qualifications

• 5+ years of related experience with a Bachelor's degree, 3+ years with a Master's degree, or an equivalent combination.
• Experience applying systems engineering to complex technical, operational, or mission-focused systems, including architecture modeling, agile methodologies, requirements development, interface analysis, integration planning, verification and validation, or technical documentation.
• Ability to develop or review architecture products, requirements specifications, trade studies, technical plans, and acquisition artifacts.
• Strong analytical, verbal, and written communication skills; ability to brief technical concepts to technical and non-technical audiences.
• Active Top Secret clearance with full-scope polygraph (FSP) or ability to obtain one (U.S. citizenship required).
• Willingness to travel domestically and internationally up to 15%, including to various sponsor locations; position requires a minimum of 4 days/week on site.

Responsibilities

• Apply systems engineering across the full lifecycle: stakeholder analysis, concept development, architecture, requirements development, integration, verification and validation, and technical transition.
• Translate customer needs, operational constraints, and program objectives into system concepts, functional designs, and implementation approaches.
• Develop, assess, and refine system architectures, including operational, functional, logical, and physical views, interfaces, data flows, and integration points.
• Lead system integration, test, verification, validation, and deployment activities, including sequencing and readiness reviews; resolve technical blockers.
• Identify and manage technical risks, issues, and dependencies; support technical reviews (requirements, architecture, design, test readiness, deployment readiness).
• Prepare and deliver technical briefings, trade-study results, and status reports; advise government customers and program leadership on technical priorities and modernization roadmaps.
• Collaborate across multidisciplinary teams (software, hardware, cybersecurity, cloud, data, network, test, operations) and communicate complex technical concepts to technical and non-technical audiences.

Skills

Communication skills

MS Excel

MS Word

PowerPoint

Education

Bachelor's degree in related field

Master's degree or PhD preferred

Job description

M.C. Dean, a leader in Building Intelligence®, seeks a Senior Security Systems Engineer 3 in the SES unit to design, integrate, and operate cyber‑physical security solutions for federal, local, and commercial customers.

You will apply systems engineering across the full lifecycle, translate needs into architectures and requirements, lead integration, testing, and deployment, and communicate complex concepts to technical and non‑technical audiences.