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Network Engineer – Top Secret Clearance | Charleston, SC

Cambridge International Systems, Inc.

Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Cambridge, you’ll work alongside top talent worldwide, tackling some of today’s most complex and critical challenges in defense and security.

We are currently seeking a Network Engineer to support operations in Charleston, SC. This is a full-time CONUS position requiring an active DoD Top Secret Level clearance.

This position may be subject to the Service Contract Labor Standards Act (SCLS)/Service Contract Act (SCA).

What You’ll Do

+ End-to-End Systems Integration: Integrate diverse network operating systems, applications, and hardware platforms through full lifecycle systems engineering—including requirements specification, architecture design, coding, testing, deployment, and ongoing maintenance.

+ Project Design and Management: Support or lead overall project planning and execution, including technical architecture, cost estimation, scheduling, and consideration of operational and social impacts related to implementation.

+ Nexus Operating System (NX-OS): Administer and configure Cisco Nexus switches running NX-OS, with a focus on data center networking, virtual port channels (vPC), and Layer 2/3 functionality.

+ Routing Protocols Expertise: Deploy and troubleshoot dynamic routing protocols such as OSPF and BGP to ensure efficient, scalable, and redundant network operations across complex infrastructures.

+ Equipment Installation & Cable Management: Perform professional-grade installation of network equipment with a focus on precision and reliability, including meticulous cable management that adheres to industry best practices and facilitates long-term maintenance.

What You’ll Bring

Required Qualifications:

+ Education & Experience:

+ Bachelor’s degree in Engineering

+ Minimum three (3) years of IT professional experience overseeing the creation of hybrid software, web and hardware products from initial specifications to final rollout and maintenance

+ Technical Expertise:

+ Proven experience integrating diverse network operating systems (e.g., NX-OS), hardware platforms, and application software through the full system lifecycle—from specification and design to implementation, testing, and sustainment.

+ Familiarity with Cisco Nexus platforms and proficiency in configuring and managing environments running the Nexus Operating System (NX-OS), particularly in data center or enterprise-scale networks.

+ Strong understanding of dynamic routing protocols, with hands-on experience implementing and troubleshooting Open Shortest Path First (OSPF) and Border Gateway Protocol (BGP) in complex network topologies.

+ Demonstrated ability to contribute to or lead overall network project planning, including developing technical designs, estimating costs, managing schedules, and addressing any operational or stakeholder concerns.

+ Hands-on experience with physical network equipment installation, including best-practice cable management to ensure clean, secure, and maintainable infrastructure deployments.

+ Certifications:

+ Must have a current and active DoD Top Secret security clearance.

+ Individual will be working toward the relevant certifications within one and a half year after assuming duties:

+ Professional Software Engineering Master (PSEM)/ Certified Software Development Professional (CSDP) or with COR approval

+ Complete a vendor/platform specific certification

+ Microsoft role-based certifications

+ Microsoft Certified Applicable Developer (MCAD)

+ Microsoft Certified Database Administrator (MCDBA)

+ Red Hat Certification Program (RHCP)

+ CISCO Certified Network Professional (CCNP)

+ CISCO Certified Design Professional (CCDP)

+ Oracle Certified Professional (OCP)

+ VMWare Certified Professional (VCP)

+ Cloud certifications, etc

+ Proficient with modern IT tools and infrastructure technologies

Travel & Passport

+ Up to 20% travel CONUS may be required; some overnight weeklong trips are possible.

Work Environment

+ Compliance with vaccination and medical requirements for TDY/OCONUS roles as per Vaccine Recommendations by AOR | Health.mil.

Office setting:

+ Primarily an office-based role in Charleston, SC

+ Standard desk/computer work with flexibility for walking and movement on site

+ Must be able to work in an office environment, sitting at a desk, looking at a computer for most of the workday.

+ Work is physically comfortable; the employee has discretion about sitting, walking, standing, etc.

+ May be required to travel short distances to offices/conference rooms and buildings on site.

Background & Security

+ Employment is contingent upon successful background investigation

+ Drug screening may be required for federal contract compliance

Benefits & Perks

We believe in investing in our team—both professionally and personally:

+ Medical, dental, vision, life, accident, and critical illness insurance

+ 401(k) immediate vesting and match

+ Paid time off and company holidays

+ Generous tuition & training support

+ Relocation assistance

+ Sign-on and performance-based bonuses

+ Employee referral program

+ Access to Tickets at Work, EAP, wellness initiatives, and more

Join Us

If you're driven by mission, technology, and teamwork—we want to hear from you. Cambridge is growing, and this position is just one of many opportunities on our global team. Know someone perfect for the role? Referrals are welcome—both employees and non-employees may qualify for a bonus.

Apply today and help shape the future of secure cloud computing for national security.

About Cambridge International Systems

At Cambridge, innovation grows through diversity. We are proud to be an equal opportunity employer, committed to creating an inclusive and supportive work environment for all. Learn more at www.cbridgeinc.com.

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