For two decades, Millennium Corporation has been operating on the leading edge of cybersecurity. Our elite team of more than 400 experts has an unparalleled record of performance supporting Red Team Operations, Defensive Cyber Operations, Software Engineering, and Technical Engineering. With the largest contingent of contracted Red Team operators in the DoD, we provide an unmatched level of threat intelligence and battle-tested experience for customers in both the DoD and federal civilian markets.

Millennium is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state, or local law.

Millennium Corporation is hiring a Junior Network Engineer to work onsite in Charleston, SC. The candidate must have an active Top Secret clearance. 

The Junior Network Engineer will:

• Provide systems engineering support for the installation, configuration, and maintenance of Windows Server environments, ensuring stability and security across multiple systems.

• Troubleshoot system and network issues by analyzing log files, event histories, and version control, identifying root causes, and implementing effective solutions.

• Support network configuration and maintenance, including IP addressing, DNS management, and diagnosing connectivity issues impacting virtual desktops and system operations.

• Perform equipment installation and setup, maintaining exceptional cable management standards to ensure organized, efficient, and safe network environments.

• Configure, monitor, and maintain Cisco SD-WAN, BGP, DMVPN/FlexVPN, HAIPE, and Multicast technologies supporting enterprise and tactical Marine Corps networks.

• Assist with the integration of diverse network operating systems, applications, and hardware components, ensuring full lifecycle support from design through testing and sustainment.

• Collaborate with cross-functional teams to deliver reliable, secure, and scalable network infrastructure solutions that align with mission and operational goals.

• Coordinate with external carriers (e.g., Verizon) to support connectivity, bandwidth management, and service reliability.

• Participate in field deployments, testing, and site sustainment efforts as required (up to 60 travel days annually).

• Active Top Secret Clearance required.

• Bachelor’s degree in Engineering with a minimum of 3 years of related experience, including at least 6 months in systems engineering.

• Proven ability to integrate diverse network operating systems, applications, and hardware throughout the full system lifecycle — from design and development to testing and maintenance.

• Must obtain a professional or vendor-specific certification within 18 months of hire, such as:

  • Professional Software Engineering Master (PSEM) or Certified Software Development Professional (CSDP), or

  • With COR approval, one of the following:

    • Microsoft role-based certifications (e.g., MCAD, MCDBA)

    • Red Hat Certification Program (RHCP)

    • Cisco Certified Network Professional (CCNP) or Cisco Certified Design Professional (CCDP)

    • Oracle Certified Professional (OCP)

    • VMware Certified Professional (VCP)

    • Equivalent Cloud or platform-specific certification

• Must be comfortable with prolonged periods of sitting at a desk and working on a computer.
• Must be able to lift up to 10-15 pounds at a time.