Senior Network Engineer – Top Secret Clearance | Charleston, SC
Company: Cambridge International Systems
Location: Charleston
Posted on: April 2, 2026
|
|
|
Job Description:
Senior 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 Senior Network Engineer to
support operations in Charleston, SC. This is a full-time CONUS
position requiring an active DoD Top Secret clearance. This
position may be subject to the Service Contract Labor Standards Act
(SCLS)/Service Contract Act (SCA). What You’ll Do Marine Corps
Network Expertise: Possess hands-on experience with both enterprise
and tactical Marine Corps networks, including secure communication
systems, field-deployable infrastructure, and integration with
Department of Defense (DoD) network environments. Ensure compliance
with military standards and cybersecurity policies. Cisco
Software-Defined WAN (SD-WAN): Design, configure, and maintain
Cisco SD-WAN architectures to optimize connectivity, application
performance, and network security across geographically dispersed
environments. Leverage centralized management to enforce
policy-driven routing and failover mechanisms. Border Gateway
Protocol (BGP) Implementation: Implement and troubleshoot BGP
configurations to manage complex routing policies and ensure
efficient and resilient inter-domain routing across wide-area
networks (WANs) and carrier links. Telecommunications Carrier
Integration: Demonstrate working knowledge or direct experience
with telecommunications carriers such as Verizon, including
provisioning, troubleshooting, and integration of carrier-grade
services into DoD or mission-critical networks. Dynamic Multipoint
VPN (DMVPN) / FlexVPN: Engineer secure, scalable VPN architectures
using Cisco DMVPN and FlexVPN technologies. Support dynamic
peer-to-peer communication and seamless failover across encrypted
tunnels for mobile and remote operations. High Assurance Internet
Protocol Encryption (HAIPE): Configure, deploy, and manage
HAIPE-compliant encryption devices (e.g., KG-175D, KG-250X) in
accordance with NSA/CNSA Suite standards to ensure secure
transmission of classified and sensitive data over untrusted
networks. Multicast Networking: Design and support IP multicast
solutions to enable efficient distribution of data such as video,
real-time situational awareness, or command-and-control traffic.
Utilize PIM (Protocol Independent Multicast) and IGMP to optimize
multicast routing within constrained or tactical networks.
Cross-Platform Network Systems Integration: Lead the integration of
diverse network operating systems (e.g., Cisco IOS, Juniper JunOS,
Linux-based systems), application software, and hardware platforms.
Perform full lifecycle systems engineering from specification and
design through development, testing, and sustainment. Project
Design and Management: Contribute to or lead overall network and
systems project design efforts, including technical architecture,
cost estimation, schedule development, and risk assessment. Address
operational, environmental, and social considerations relevant to
deployment and long-term support. What You’ll Bring Required
Qualifications: Education & Experience: Bachelor’s degree in
engineering with Seven (7) 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: Marine Corps Network Experience:
Familiar with both enterprise and tactical USMC network
environments, including integration with DoD systems and secure
communications protocols. Advanced Networking Technologies:
Proficient in Cisco SD-WAN, BGP, DMVPN/FlexVPN, multicast, and
carrier integration to support resilient, secure, and scalable
network architectures. Encryption and Security: Experience
configuring and deploying HAIPE devices to enable secure
transmission of classified data. System Integration: Skilled in
integrating diverse network platforms, applications, and hardware
through full lifecycle support—design, implementation, testing, and
maintenance. Project Support: Contribute to network project
planning and execution, including technical design, cost
estimation, scheduling, and addressing operational impacts.
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 15% travel,
CONUS and may be required; some weeklong stays may be 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, we recognize innovation
and agility grow through teamwork. By working collaboratively,
listening proactively, and engaging across functions we create
solutions that build on the best ideas our employees bring to the
table. We are committed to one another, to persevere in order to
get the job done, and to do so with integrity every time. Learn
more at www.cbridgeinc.com . We are an equal opportunity employer.
Applicants and employees are considered for positions and are
evaluated without regard to any protected status under applicable
law or other similar factors that are not job-related. We encourage
all qualified individuals to apply for employment. Selected
applicants may be subject to a background investigation and/or
education verification. We provide reasonable accommodation for
qualified individuals with disabilities in accordance with federal,
state, and local law. If you require a reasonable accommodation to
participate in the application process or to perform the essential
functions of the position, please contact our Recruiting Team at
[email protected] .
Keywords: Cambridge International Systems, Mount Pleasant , Senior Network Engineer – Top Secret Clearance | Charleston, SC, IT / Software / Systems , Charleston, South Carolina
