Design Engineer 3 - Annapolis Junction, MD

Design Engineer 3 - Annapolis Junction, MD M.C. Dean paid time off, tuition reimbursement, 401(k), retirement plan United States, Maryland, Annapolis Junction May 10, 2026 Overview About M.C. Dean M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquartered in Tysons Corner, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration. Why Join Us? Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values-agility, expertise, and trust-we foster a collaborative and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries. Seeking a Design Engineer that is able to work with a dynamic team of engineers, administrators, and technicians responsible for design, implementation, operations & maintenance, and cybersecurity for large complex electronic security systems and physical security systems. This position spearheads technical design and serves as the Subject Matter Expert to deliver a complete working system according to project requirements and schedule. Responsibilities What you'll do: Apply expert knowledge of ESS system concept of operations and the design build lifecycle. See the "bigger picture" while working across the project team to achieve overall project objectives. Review customer requirements and assess design constraints in order to develop a design which meets the needs of the customer. Plan for and participate in Electronic Security System (ESS) and physical security system site surveys during all phases of projects. Drive development of security system Engineering Installation Design Packages including the creation of Block Diagrams, Riser Diagrams, Mounting, and Wiring Details in AutoCAD. Create project and device schedules with the Engineering Installation Design Packages. Create cable, device, and Performance Verification Test (PVT) plans. Drive planning for and participate in Pre-Installation Testing and Checkout (PITCO) processes including system programming, integration testing, and equipment build outs. Complete various calculations, including but not limited to power, heat, voltage drop, conduit sizing and bandwidth. Assist with development of sequence of operations, compliance matrices, and other project support documentation. Apply understanding of related industry documentation such as

NEC, NFPA, UL

Code (294, 1076, and 2050), ICD 705, NISPOM. Participate in new technology/product evaluations and recommendations. Effectively communicate the status of all work and report roadblocks early and directly to project and divisional management. Update, track, and close out all engineering changes and issues, working in coordination with the assigned Project Manager or Engineering Manager. Regularly attend and participate in internal and client review/status update meetings. Interface with customer stakeholders to answer questions and present design solutions; support resolution of project issues working in conjunction with the Engineering Manager. Assist in the bids and proposals process to capture new work.

Growth Opportunities:

Contribute to the maturation of our engineering capabilities and processes by suggesting improvements and researching questions. Work collaboratively with program engineering leadership to document and share best practices and processes for efficient execution and repetitive design across the company. Work directly with customers to develop and enhance their specifications to deliver the latest technology and innovate delivery methods for optimum performance and schedule. Manage customers full-lifecycle, from recruitment through project delivery in new and growing industries.

Qualifications Clearance/Citizen Type:

Applicants selected will be subject to a government security investigation and may meet eligibility requirements, including U.S. Citizenship, for access to classified information;

ACTIVE TS/SCI

w/ Poly clearance

REQUIRED.

Education/Experience:

Bachelor's Degree in a technical/engineering related discipline, such as Electrical Engineering, Mechanical Engineering, Systems Engineering, or similar with 5+ years of experience in engineering or 3+ years of experience with a Master's Degree in Engineering; Preferred experience in ESS design build. Experience with electronic security; Physical Security Professional (PSP) certification from ASIS desired. Experience leading large scale design efforts. Experience with estimating, pricing, and procurement. Familiarity with networking concepts, including use of routing protocols and switching technologies, LAN/WAN medias and protocols, and firewall configuration and protocols. Ability to work effectively in a fast-paced collaborative environment. Ability to effectively communicate with various customers, vendors and peers Ability to effectively use AutoCAD or another computer aided drafting/modeling tool. Proficient in MS Word, Excel, and PowerPoint. Knowledge of Pro Pricer and Eplan desired.

What we offer:

A collaborative team inspired by the way engineering and innovation enhance customer outcomes, improve lives, and change the world for the better. We are driven by our core values of agility, expertise, and trust. An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years. Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement. Open and transparent communication with senior leadership as well as local office management. We offer an excellent benefits package including: A competitive salary Medical, dental, vision, life, and disability insurance Paid time off Tuition reimbursement 401k Retirement Plan Military Reserve pay offset Paid maternity leave

Abilities:

Exposure to computer screens for an extended period of time. Sitting for extended periods of time. Reach by extending hands or arms in any direction. Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard. Listen to and understand information and ideas presented through spoken words and sentences. Communicate information and ideas in speaking so others will understand. Read and understand information and ideas presented in writing. Apply general rules to specific problems to produce answers that make sense. Identify and understand the speech of another person. Pay Range USD $104,240.00 - USD $156,360.00 /Yr.