THANKS FOR YOUR INTEREST!

When you join the Cambridge team, you are part of a skilled and talented global community that is united by a set of core values: commitment, integrity, and perseverance. Join our team and help us confront today’s most threatening and complex obstacles!

TO APPLY

Please click on the links associated with the position of interest.

You'll be prompted to answer general screening questions and voluntary, confidential demographic data that Cambridge International Systesms uses to submit compliance surveys to the federal government. Shortly thereafter, you will recive a confirmation of receipt email and an email with a link to complete your employment application.

Someone from our recruiting team will pre-screen your qualifications based on the position's requirements. If there is a match, you may be contacted by a recruiter to schedule an introductory phone call. Our vetting process typically includes an initial screening with the recruiter, an in-person, Teams or phone interview with the hiring manager or on a panel, and background screening (including employment and degree/certification verification).

If you submit a general application, your qualifications will be assessed for current and/or future opportunities.

We thank you for exploring career opportunities with Cambridge International Systems; we wish you success in your job search!

Please note: Cambridge International Systems does not accept unsolicited resumes. Unsolicited resumes or applications submitted by a third party will not be reviewed. Job applicants only. No staffing agencies, recruiters, or headhunters, please.

WORK-LIFE BALANCE
We understand you have commitments outside of the office. We provide a flexible paid time off package and 11 paid holidays per year.

RETIREMENT SUPPORT
We provide competitive 401(K) options including contribution matching that is 100% vested.

TRAINING AND EDUCATION ASSISTANCE
We offer reimbursement for continuing education and training.

PROFESSIONAL DEVELOPMENT

We support your professional growth and development through conference attendance, mentor programs, and internal training.

BONUSES
We recognize the importance of involving you in the hiring process, so we offer a generous employee referral bonus program. We also show our appreciation for your hard work through performance-based bonuses and on the spot bonuses that recognize outstanding achievements.

HEALTH INSURANCE
We offer full-time employees competitive medical, dental, vision, life, and disability insurance plans.

OTHER PERKS
We value the health and wellness of our employees by providing a comprehensive wellness program, community involvement and outreach opportunities, employee assistance program (EAP) and Tickets at Work accounts!

At Cambridge, we recognize innovation and agility grow through diverse collaboration. Our team is comprised of unique individuals, and it is our policy to provide equal opportunity in recruiting, hiring, training, and promoting individuals in all job categories without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), political affiliation, military service, or any other protected class or category as may be defined by federal, state, or local laws or regulations. It is our firm intent to support equal employment opportunity and affirmative action in keeping with applicable federal, state, and local laws and regulations.

If you are a qualified individual with a disability or a disabled veteran requiring assistance with the application process, please visit https://cbridgeinc.com/accessibility/ for information on how to request assistance.

For more information on equal opportunity protections, please view the U.S. Department of Labor’s Office of Federal Contract Compliance Programs EEO is the Law poster and the EEO is the Law Supplement on our Careers page.

Senior Network Engineer – Top Secret Clearance | Charleston, SC

Charleston, SC

Full Time

Mid Level

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, 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.

Apply for this position

Required*

Apply with

First Name*

Last Name*

Email Address*

Phone*

Address

Resume*

We've received your resume. Click here to update it.

Attach resume or Paste resume

Attach resume as .pdf, .doc, .docx, .odt, .txt, or .rtf (limit 5MB) or Paste resume

Paste your resume here or Attach resume file

Due to the nature of this position, U.S. Citizenship is required. Are you a U.S. Citizen?*

Will you now, or in the future, require sponsorship to work in the United States? If selected for the position, you will be required to show proof of eligibility to work in the United States.*

How did you hear about this position?*

List name of Employee Referral, if applicable

If applicable, what is your current clearance level?*

Have you ever had a security clearance eligibility/access authorization denied, suspended, or revoked?*

Are you willing to relocate?*

What is your desired salary?*

Do you have family members working for Cambridge?*

Do you have any personal relationships, such as friendships or family connections with vendors, contractors, or competitors of Cambridge?*

Do you or your family members have any financial interests in companies that could be considered a competitor of Cambridge?*

Do you currently have a second job for which you are planning to keep?*

Have you worked for the US government conducting financial, procurement, and/or contracts-related activities during the last 10 years?*

Do you have any consulting arrangements with any potential competitors of Cambridge?*

Are you involved or serve on the board of directors or advisory board for any vendor, supplier, or competitor of Cambridge?*

Do you own or have partial interest in any intellectual properties, patents, licenses, or copyrights that could be relevant to your work at Cambridge?*

Have you ever worked on a contract affiliated with Cambridge International Systems?*

The following questions are entirely optional.

To comply with government Equal Employment Opportunity and/or Affirmative Action reporting regulations, we are requesting (but NOT requiring) that you enter this personal data. This information will not be used in connection with any employment decisions, and will be used solely as permitted by state and federal law. Your voluntary cooperation would be appreciated. Learn more.

Gender

Race/Ethnicity

Invitation for Job Applicants to Self-Identify as a U.S. Veteran

A “disabled veteran” is one of the following:
- a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or
- a person who was discharged or released from active duty because of a service-connected disability.
A “recently separated veteran” means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.
An “active duty wartime or campaign badge veteran” means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.
An “Armed forces service medal veteran” means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

Veteran status

I IDENTIFY AS ONE OR MORE OF THE CLASSIFICATIONS OF PROTECTED VETERAN LISTED ABOVE
I AM NOT A PROTECTED VETERAN
I DON’T WISH TO ANSWER

Voluntary Self-Identification of Disability

Voluntary Self-Identification of Disability Form CC-305
OMB Control Number 1250-0005
Expires 04/30/2026

Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

Alcohol or other substance use disorder (not currently using drugs illegally)
Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
Blind or low vision
Cancer (past or present)
Cardiovascular or heart disease
Celiac disease
Cerebral palsy
Deaf or serious difficulty hearing
Diabetes
Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
Epilepsy or other seizure disorder
Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
Intellectual or developmental disability
Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
Missing limbs or partially missing limbs
Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
Partial or complete paralysis (any cause)
Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
Short stature (dwarfism)
Traumatic brain injury

Please check one of the boxes below:

YES, I HAVE A DISABILITY, OR HAVE HAD ONE IN THE PAST NO, I DO NOT HAVE A DISABILITY AND HAVE NOT HAD ONE IN THE PAST I DO NOT WANT TO ANSWER

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.

You must enter your name and date
Name	Date

Human Check*

Submit Application