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Network Security Engineer Jobs in Charleston, SC

Segra

Systems & Network Security Engineer

Saint Louis, MO · On-site

$116K - $140K/yr

Segra is searching for a qualified and experienced Systems & Network Security Engineer to join us in a full-time capacity. Location Requirement: The work arrangement for this role is a hybrid ...

Entarian

AWS DevSecOps Engineer

North Charleston, SC · Hybrid

This role combines cloud security architecture, DevSecOps automation, and advanced firewall/network security engineering. You will collaborate closely with software engineers to design secure systems ...

Entarian

AWS DevSecOps Engineer

North Charleston, SC · Hybrid

This role combines cloud security architecture, DevSecOps automation, and advanced firewall/network security engineering. You will collaborate closely with software engineers to design secure systems ...

Entarian

AWS DevSecOps Engineer

Charleston, SC · On-site

$120 - $180/hr

This role combines cloud security architecture, DevSecOps automation, and advanced firewall/network security engineering. You will collaborate closely with software engineers to design secure systems ...

Entarian

AWS DevSecOps Engineer

North Charleston, SC · On-site

$110 - $170/hr

This role combines cloud security architecture, DevSecOps automation, and advanced firewall/network security engineering. You will collaborate closely with software engineers to design secure systems ...

Entarian

AWS DevSecOps Engineer

North Charleston, SC · On-site

This role combines cloud security architecture, DevSecOps automation, and advanced firewall/network security engineering. You will collaborate closely with software engineers to design secure systems ...

Soteria

Security Engineer

Charleston, SC · On-site +1

$120K - $150K/yr

Design, evaluate, and implement secure network architectures. * Provide assessments of emerging technology to facilitate solutions and recommendations for future architectural requirements that are ...

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All JobsNetwork Security Engineer JobsNetwork Security Engineer Jobs in Charleston, SC

Network Security Engineer information

See Charleston, SC salary details

$19.7K

$116.9K

$156.3K

How much do network security engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for network security engineer in Charleston, SC is $116,929.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,800.00 and $133,800.00 per year, depending on experience, location, and employer.

What is a network security engineer?

Network Security Engineers are IT professionals responsible for protecting an organization's computer networks from security threats and unauthorized access. They design, implement, and maintain security measures such as firewalls, intrusion detection systems, and encryption protocols. Their role involves monitoring network traffic, responding to security incidents, and ensuring compliance with security policies and regulations. Network Security Engineers also conduct regular vulnerability assessments and work to keep systems up to date against evolving cyber threats.

What does a network security engineer do?

As a network security engineer, your job duties include configuring routers, switches, firewalls, virtual private networks (VPNs), and other network monitoring tools against intrusions. You need technical, analytical, and problem-solving skills to carry out your network security tasks. Your job is to ensure that your company’s internal networks are protected from potential online threats, like hackers and malware that can steal or corrupt sensitive data from websites, computer programs, databases, and servers. You need to remain current with new developments in the field to master fast-evolving network security technologies.

What are the key skills and qualifications needed to thrive as a network security engineer?

To thrive as a Network Security Engineer, you need a solid understanding of networking protocols, firewall management, vulnerability assessment, and typically a bachelor's degree in computer science or a related field. Familiarity with security tools like IDS/IPS, SIEM systems, and certifications such as CISSP or CompTIA Security+ are highly valued. Strong analytical thinking, attention to detail, and effective communication skills help distinguish top professionals in this role. These skills are crucial for safeguarding organizational data, identifying security threats, and ensuring robust network protection.

What are some common challenges faced by network security engineers in maintaining secure and efficient networks?

Network Security Engineers often encounter challenges such as staying ahead of rapidly evolving cyber threats, ensuring minimal downtime during security upgrades, and balancing strong security measures with network performance. Additionally, they must work closely with IT teams and end-users to implement security policies without disrupting daily operations. Keeping up with compliance standards and effectively communicating risks and solutions to non-technical stakeholders are also important aspects of the role.

What is the difference between Network Security Engineer vs Security Analyst?

AspectNetwork Security EngineerSecurity Analyst
CertificationsCCNA, CISSP, CompTIA Security+CISSP, GIAC Security Essentials, CompTIA Security+
Work EnvironmentDesigning, implementing, and maintaining security infrastructureMonitoring, analyzing, and responding to security incidents
Employer & Industry UsageIT departments, cybersecurity firms, large enterprisesCorporate security teams, government agencies, financial institutions

While both roles focus on cybersecurity, Network Security Engineers primarily design and implement security systems, whereas Security Analysts monitor and respond to security threats. They often work together to ensure comprehensive protection of organizational networks.

Are network security engineers in demand?

Network security engineers are in high demand due to increasing cybersecurity threats and the need for organizations to protect their digital assets. The role requires skills in firewalls, intrusion detection, and security protocols, and often benefits from certifications like CISSP or CEH. Job growth in this field is expected to remain strong as cybersecurity remains a top priority for businesses worldwide.
More about Network Security Engineer jobs

What are the most commonly searched types of Network Security Engineer jobs in Charleston, SC?

The most popular types of Network Security Engineer jobs in Charleston, SC are:

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For Network Security Engineer jobs in Charleston, SC, the most frequently searched job titles are:

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The top searched job categories for Network Security Engineer jobs in Charleston, SC are:

Network Security Engineer jobs near you
Infographic showing various Network Security Engineer job openings in Charleston, SC as of August 2026, with employment types broken down into 84% Full Time, 14% Part Time, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $116,929 per year, or $56.2 per hour.

Systems & Network Security Engineer

Segra

Saint Louis, MO • On-site

$116K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 6 days ago

Segra rating

8.7

Company rating: 8.7 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

9th of 101 rated telecommunications companies

Job description

Segra is searching for a qualified and experienced Systems & Network Security Engineer to join us in a full-time capacity.
Location Requirement:
The work arrangement for this role is a hybrid position, requiring a minimum of three (3) days in the office, with flexibility to work remotely two (2) days each week.
Role Overview:
This is a senior-level technology-oriented position protecting the confidentiality, integrity, and availability of information systems and data at Segra.
The Staff Information Security Engineer is expected to understand complex technology systems and tools in both the traditional Information Technology and Service Provider domains. It is essential for this role to maintain awareness of security trends, government regulations and 3rd-party standards (NIST, ISO), as well as to monitor developments in systems, protocols, tools, and other changes in the information security space. Additionally, the staff engineer understands and supports the business environment in which security operates.
This role requires collaboration with architects, senior-level engineers, management, and stakeholders inside and external to the organization, both to ensure awareness of security risks and to ensure appropriate mitigation steps are taken.
Qualifications:
Education:
  • Bachelor's degree or equivalent combination of education and relevant experience. Advanced Degree preferred.

Required Experience:
  • A minimum of 10 years of related experience, or equivalent mix of education and related experience.
  • Knowledge of security in Telecommunications, Operational Technology (OT), or relevant setting
  • Proficient in scripting with Python (preferred) or a similar language like PowerShell
  • Must have prior experience in systems administration and/or engineering in Linux/Unix

Preferred Experience:
  • Experience with asset discovery and logical asset management
  • Solid understanding of authentication and identity technologies (IAM, SSO, RADIUS, TACACS+, AD/LDAP/Kerberos)
  • Experience with compliance frameworks, particularly NIST CSF, NIST 800-53, and/or ISO 27001
  • Experience with administration of Splunk, Splunk ES or other SIEM platforms
  • Familiarity with Infrastructure as Code and automation tools (Terraform, Ansible, git)
  • Familiarity with AWS, Microsoft Azure, and Office 365 security controls (e.g., IAM, PIM, Identity Governance, Azure Policies, Entra, Intune, DLP, IaaS)
  • Familiarity with EDR/MDR/XDR platforms
  • Experience with security incident response
  • Strong understanding of operating systems and command line administration at all levels.
  • Strong understanding of TCP/IP networking protocols at all layers of the OSI stack
  • Understanding of the HTTP protocol, Web Application Firewall (WAF) technologies, BurpSuite testing, and APIs
  • Understanding of PKI, SSL/TLS, and cryptographic functions
  • Experience working in micro-segmented environments
  • Comfortable with regular expressions
  • Current relevant industry certifications (SANS/GIAC, etc.), Azure or AWS architecture or security certifications.

Key Competencies:
  • Excellent oral and written communication skills
  • Excellent critical thinking, analytical, and engineering skills, including the ability to independently analyze and understand both new technologies and legacy solutions.
  • Demonstrated commitment to ongoing skills development

About Segra:
Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions, all backed by industry-leading service and reliability. Serving over 30,000 connected customer locations, Segra has been providing customer-focused solutions for over 125 years.
At Segra, we imagine, we engineer and we build a world of opportunities for our customers through fiber-enabled technologies, driven by our customer-first mentality. We invest in the communities we serve by hiring locally, empowering our teams, and continually upgrading our network infrastructure to deliver smarter, stronger technology solutions.
Benefits Overview:
Segra offers a very robust benefits package to our full-time employees, some of which include:
  • Medical, dental, vision insurance
  • Life insurance
  • 401(k) match
  • Flexible Spending/Health Savings Accounts
  • Tuition and gym reimbursements
  • Vacation/PTO, paid holidays, floating holidays
  • Volunteer days, parental leave
  • Legal, accidental, hospital indemnity, identify theft, pet insurance

Our Commitment to Equality:
Segra is an equal opportunity employer and prohibits discrimination of any kind. Segra does not discriminate on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factor.
Salary Range: $116,025 - $140,000
Beyond competitive health and retirement benefits with immediate 401(k) vesting, Segra also invests in your total well-being through programs supporting physical, mental, financial, and social wellness.

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