IT Systems Engineer 3 - Annapolis Junction, MD

M.C. Dean; Corridor North (MD); On-site; USD 104,240 - 156,360; Full time

Benefits offered by this job

Paid time off

Tuition reimbursement

401(k) retirement plan

Medical, dental, vision insurance

Paid maternity leave

Job summary

A leading engineering firm in Maryland is seeking a System Engineer 3 to design and implement cybersecurity solutions for complex systems. Key responsibilities include driving architectural frameworks and conducting systems assessments. Candidates must have a Bachelor’s in an engineering discipline, 5+ years of experience, and the ability to communicate effectively with diverse teams. This role offers a competitive salary with comprehensive benefits, including paid time off and tuition reimbursement, and requires a government security clearance.

Qualifications

• 5+ years of progressive experience required.
• Experience with physical security and IT solutions.
• Strong technical documentation skills.

Responsibilities

• Design architectural frameworks for complex resilient systems.
• Provide technical direction for hardware/software system integration.
• Conduct systems engineering assessments and feasibility studies.

Skills

Systems Engineering

Electrical Engineering

Mechanical Engineering

Computer Science

Communication skills

Time management

Education

Bachelor’s Degree in Systems Engineering or related field

Tools

VMware

Microsoft Windows Server

Active Directory

PowerShell

Python

Job description

paid time off, tuition reimbursement, 401(k), retirement plan

United States, Maryland, Annapolis Junction

Mar 01, 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. Headquarters in Tysons, 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.

We are seeking a IT‑oriented System Engineer 3 to join our Security and Electronic Systems (SES) business unit. As part of the (SES) Strategic Business Unit you will be part of a dynamic team responsible for the design, implementation, operations & maintenance, and cybersecurity for large complex resilient hardware and virtualized infrastructure to ensure implemented solutions meet stakeholder needs, standards, and performance requirements.

Responsibilities

Clearance/Citizen Type: Applicants selected will be subject to a government security investigation and must meet eligibility requirements, including U.S. Citizenship, for access to classified information; active TS/SCI w/ polygraph clearance is required.

Work Type: Full‑time.

What you’ll do: The position drives the design of architectural frameworks for large complex resilient systems to ensure implemented solutions meet stakeholder needs, standards, and performance requirements. You will provide technical direction for the requirements development, design, engineering, configuration, integration, and testing of specific components of complex hardware/software systems.

Specific Responsibilities

• Assist with the automation and optimization of engineering processes.
• Perform systems engineering assessments (upgrades, system improvements, lifecycle refreshes, migrations, new deployments), develop conceptual design solutions, and create implementation work breakdown structures to drive planning and estimating. Advise on alternative and innovative approaches and conduct feasibility studies.
• Support research, prototyping, and development of integrated system capability by working closely with industry partners and OEMs to implement the latest and best-in‑bread capabilities to meet customer emerging needs.
• Support identification and documentation of operational, functional, and technical requirements.
• Develop technical documentation, such as system architecture and system design documentation, functional and performance verification test plans, and technical implementation plans.
• Incorporate new plans, designs and systems into ongoing operations.
• Interact with the Government regarding Systems Engineering technical considerations and for associated problems, issues or conflicts.
• Conduct configuration and development activities.
• Conduct testing against established test plans.
• Participate in interface definition, design, and changes to the configuration between affected groups and individuals throughout the life cycle.
• Review and provide input to program and contract work breakdown structure (WBS), work packages and the integrated master schedule (IMS).
• Support the review of system engineering documentation to ensure that processes and specifications meet system needs and are accurate, comprehensive, and complete.
• Support configuration management through the system development and sustainment lifecycle.

Qualifications

Position / Candidate Requirements

• Education: Systems Engineering, Electrical Engineering, Mechanical, Computer Science, or a Related Engineering Discipline (not accepting Information Management, Information Systems, or Cybersecurity degrees).
• Bachelor’s Degree and 5+ Years of progressive experience.
• Master’s Degree desirable.
• 2+ years of experience with the provision of system solutions for physical security systems and IT solutions.
• Experience eliciting requirements, conducting research, designing, testing, and implementing hardware and software solutions for data center and virtual infrastructure technologies.
• Engineering experience with some of the following core platforms and services:
  • VMware ESXi and vSphere.
  • Microsoft Windows Server Deployment and Administration.
  • Microsoft Windows Deployment and Administration.
  • DNS, DFS, and DHCP.
  • Windows Server Update Services (WSUS), Key Management Service (KMS)
  • Active Directory and defining, implementing, and maintaining Group Policy.
  • Public Key Infrastructure (PKI) and Certificate Authorities
• Experience developing, implementing, and maintaining highly secure and reliable solutions that meet all organizational Cybersecurity and Information Assurance requirements.
• Experience with API management, scripting languages including PowerShell, Python, JSON, Bash, etc.
• Meet DoD 8570 IAT Level‑II requirements.
• Strong Oral, Written and Presentation Skills with the ability and experience communicating directly with customer leadership and technical stakeholders.
• Demonstrated background working with multidisciplinary teams.
• Demonstrated time management and organization skills to meet deadlines and quality objectives.
• Strong MS Excel, Word, PowerPoint, and Visio Skills is a plus.

Desired / Advantageous Qualifications and Experience

• Experience virtualizing enterprise applications (Active Directory, MS SQL, RHEL, MS SharePoint, etc.).
• Experience with Microsoft SCCM and Operating System Deployment (OSD).
• Experience administering OCSP (e.g. Axway Validation Authority, Microsoft OCSP Responder).
• Experience troubleshooting and optimizing the McAfee security product suite (Endpoint Security, DLP, HIPS, etc.).
• Large on‑premise storage engineering and administration experience with 3PAR, NetApp, Dell/EMC, Pure Storage, etc.
• Experience designing and deploying SQL Database Infrastructure such as Microsoft SQL Server.
• Experience engineering and implementing data center and campus area networks and security stacks.
• Experience engineering and implementing platforms and services in a software‑defined network environment.
• Experience with DoD IT security requirements including DISA STIG/SRGs.
• Understanding of Department of Defense standards and best practices.
• Vendor certifications, VMware, Cisco, Microsoft, NetApp, etc.

Benefits Package

• 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.

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