Network Administrator 3 - Annapolis Junction, MD

M.C. Dean, Inc; Maryland; On-site; USD 104,240 - 156,360; Full time

Benefits offered by this job

Medical, dental, vision insurance

Tuition reimbursement

401k Retirement Plan

Paid maternity leave

Job summary

M.C. Dean, Inc is hiring a Network Administrator 3 to support the Security and Electronic Systems business unit. This role involves designing, implementing, and maintaining complex networks. Candidates must have a Bachelor’s Degree with 5+ years of experience and active DoD TS/SCI clearance. The position offers a competitive salary between $104,240 and $156,360, along with benefits including medical insurance and tuition reimbursement. Join us to enhance critical infrastructures and cyber-physical solutions.

Qualifications

• 5+ years of progressive experience required.
• DoD 8570 compliance with Information Assurance Technical (IAT) Level II or higher required.
• Experience with LAN/WAN media and protocols.

Responsibilities

• Plan and maintain complex networks.
• Establish user accounts and security policies.
• Monitor network performance and resolve issues.
• Support installation of network equipment.

Skills

Network technologies implementation

Routing protocols

Firewall configuration

Information Assurance concepts

Communication skills

MS Excel

MS Word

MS Visio

MS PowerPoint

Education

Bachelor’s Degree in relevant field

Associate’s Degree

HS Diploma or Equivalent

Tools

Cisco Certified Network Associate (CCNA)

CompTIA Network+

Job description

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 Network Administrator 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 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

Support the day‑to‑day planning, installation, configuration, testing, operation, analysis and documentation of complex networks.

Main responsibilities include:

• Support network documentation as well as establishing and maintaining user accounts, user access privileges, and security policies.
• Support planning, installing, configuring, testing, operating, analyzing and documenting duties.
• Perform scheduled network status checks, troubleshooting and problem resolution.
• Support planning and implementation of high and low speed LAN connections and designs.
• Support planning and implementation of VPN solutions, including site‑to‑site VPNs built between hardware based firewalls.
• Support management of hardware firmware revisions, including testing the latest firmware revisions on current configurations and deploying when deemed appropriate.
• Support configuration of common network equipment for operation.
• Collaborate with Security System Technicians on connectivity requirements and procedures.
• Support troubleshooting of common network equipment.
• Document common network equipment configurations and settings.
• Support integration of new technologies into existing high and low speed networks.
• Audit network component hardware and software changes.
• Monitor network performance (availability, utilization, throughput, goodput, and latency) and test for weaknesses.
• Support installation and troubleshooting of enterprise‑class network equipment, including firewalls, routers, and switches.
• Support installation and troubleshooting of fiber cross‑connects to existing backbone cabling.

Qualifications

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 DoD TS/SCI with polygraph clearance is required.

Key Requirements:

• Education:
  • Bachelor’s Degree and 5+ Years of progressive experience
  • Associate’s Degree and 8+ Years of progressive experience
  • HS Diploma or Equivalent and 10+ Years of progressive experience
• Some experience implementing various network technologies and end‑user support.
• Some experience in the use of routing protocols and switching technologies, LAN/WAN media and protocols, and firewall configuration and protocols.
• Familiarity with Information Assurance concepts and requirements.
• Current certification in one of the following: Cisco Certified Network Associate (CCNA) or CompTIA Network+.
• DoD 8570 compliance with Information Assurance Technical (IAT) Level II or higher (e.g., Sec+).
• Strong communications, time management, and organization skills to meet deadlines and quality objectives.
• Experience working independently and with multidisciplinary teams.
• Proficient in MS Excel, Word, Visio, and PowerPoint.
• Travel:
  • Up to 25% annual, CONUS and OCONUS locations.

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.

Benefits

• 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.
• Reaching by extending hands or arms in any direction.
• Finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard.
• Listening to and understanding information and ideas presented through spoken words and sentences.
• Communicating information and ideas in speaking so others will understand.
• Reading and understanding information and ideas presented in writing.
• Applying general rules to specific problems to produce answers that make sense.
• Identifying and understanding the speech of another person.

Pay Range

USD $104,240.00 - USD $156,360.00 /Yr.