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Cyber Network Defender Jobs (NOW HIRING)

Fiserv, Inc.

Cyber Network Engineer

Berkeley Heights, NJ · On-site

$128K - $216K/yr

Job Title Cyber Network Engineer About your role: You will lead the design, review and governance of enterprise network security architectures that support cybersecurity strategy across hybrid and ...

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Cyber Network Defender information

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$122.1K

$197.5K

How much do cyber network defender jobs pay per year?

As of Jul 8, 2026, the average yearly pay for cyber network defender in the United States is $122,108.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,500.00 and $149,500.00 per year, depending on experience, location, and employer.

What does a cyber network defender do?

A cyber network defender protects computer networks and systems from cyber threats and attacks by monitoring network traffic, analyzing security alerts, and implementing security measures such as firewalls and intrusion detection systems. They often use tools like security information and event management (SIEM) systems and may hold certifications like CompTIA Security+ or CISSP. Their work involves continuous vigilance to prevent data breaches and ensure network integrity.

How much does a cyber network defender make?

A cyber network defender's salary varies based on experience, education, and location, but the median annual salary in the United States is around $85,000. Entry-level positions typically start at approximately $60,000, while experienced professionals with certifications like CISSP or CEH can earn over $100,000 annually.

Can you make $500,000 a year in cyber security?

Cyber Network Defenders typically earn salaries ranging from $70,000 to $150,000 annually, depending on experience, certifications, and location. Reaching a $500,000 annual salary usually requires advanced roles such as senior security executives, consultants, or specialists with extensive expertise and leadership responsibilities. High earnings in cybersecurity often involve a combination of specialized skills, certifications like CISSP or CISM, and working in high-demand industries or senior management positions.

What are the key skills and qualifications needed to thrive in the Cyber Network Defender position, and why are they important?

To thrive as a Cyber Network Defender, you need a strong understanding of network security principles, threat analysis, and incident response, often backed by a degree in cybersecurity or a related field. Experience with intrusion detection/prevention systems (IDS/IPS), firewalls, SIEM tools, and certifications such as CompTIA Security+, CEH, or CISSP are highly valued. Attention to detail, analytical thinking, and effective communication are essential soft skills for collaborating with IT teams and conveying security risks clearly. These abilities are critical to proactively safeguard organizational networks, rapidly respond to threats, and maintain robust cybersecurity defenses.

Is SOC an entry level job?

A Security Operations Center (SOC) analyst role is often considered an entry-level position in cybersecurity, especially for those with foundational knowledge of networking, security tools, and incident response. However, some SOC roles require prior experience or certifications like CompTIA Security+ or Cisco CCNA, and responsibilities can vary depending on the organization.

What is a Cyber Network Defender job?

A Cyber Network Defender is responsible for protecting military and government networks from cyber threats. They monitor network activity, analyze security risks, and respond to cyber incidents to prevent breaches. Their duties include threat detection, vulnerability assessment, and implementing defensive measures to strengthen network security. This role requires knowledge of cybersecurity tools, protocols, and incident response procedures. Typically, Cyber Network Defenders work in military or government settings to ensure the integrity and confidentiality of critical systems.

What are typical daily responsibilities for a Cyber Network Defender?

As a Cyber Network Defender, your daily responsibilities often involve monitoring network activity, analyzing security logs, and investigating potential threats or vulnerabilities. You may perform regular system audits, update security protocols, and respond to real-time incidents to prevent or mitigate cyberattacks. Collaboration is common, as you will frequently work alongside systems administrators, IT staff, and other security professionals to ensure the organization's digital assets are protected. Staying current with emerging threats and updating defense strategies is also an important part of the role.

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Cyber Network Defender jobs near you
Infographic showing various Cyber Network Defender job openings in the United States as of July 2026, with employment types broken down into 3% Locum Tenens, 1% Internship, 92% Full Time, 2% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $122,108 per year, or $58.7 per hour.
Cyber Network Defender (ISSO)

Cyber Network Defender (ISSO)

General Dynamics Mission Systems, Inc

San Antonio, TX • On-site

$82K - $88K/yr

Full-time

Medical, Retirement

Posted 20 days ago

General Dynamics Mission Systems rating

7.7

Company rating: 7.7 out of 10

Based on 29 frontline employees who took The Breakroom Quiz

115th of 204 rated software companies

Job description

Basic Qualifications
Education Requirements:
Bachelor's degree in a related specialized area or equivalent relevant experience is required, plus a minimum of 2 years of relevant experience; or a Master's degree.
Clearance Requirements:
Department of Defense TS/SCI security clearance is required at time of hire with the ability to obtain a Polygraph within a reasonable amount of time. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.
Responsibilities for this Position
General Dynamics Mission Systems has an immediate opening for a Cyber Network Defender (ISSO). This position provides an opportunity to further advance the cutting-edge technology that supports some of our nation's core defense/intelligence services and systems. General Dynamics Mission Systems employees work closely with esteemed customers to develop solutions that allow them to carry out high-stakes national security missions.
Role and Position Objectives: Join our team as a Cyber Network Defender (ISSO) for Space, Cyber and Intelligence Systems! You'll be part of a versatile team managing the entire Cyber lifecycle, from governance and policy to accreditation, continuous monitoring, and incident response.
What You'll Experience:
  • Overseeing the Cyber lifecycle, including risk management, vulnerability analysis, and continuous monitoring.
  • Ensuring compliance with government security requirements and DoD policies.
  • Utilizing tools like Splunk, Nessus, and VMware for security monitoring and analysis.
  • Conducting hands-on reviews and maintaining security configurations.

What You Bring to the Table:
  • Proficiency in Linux and Windows operating systems.
  • Experience with Risk Management Framework (RMF) and vulnerability analyses.
  • Familiarity with IT government security standards like ICD 503, NISPOM, NIST, and DIACAP.
  • Ability to provide RMF support and conduct security certification tasks.

What Sets You Apart:
  • Strong experience with utilizing SIEM tools like SPLUNK with creation of SPLUNK dashboards.
  • Strong technical knowledge of Linux and Windows commands and utilities.
  • Expertise in security tools such as SCAP Compliance Checker and Clearswift.
  • In-depth understanding of government IT security policies and directives.
  • Hands-on experience with security accreditation and certification processes.
  • Ability to ensure all security IA service requirements are met.

Our Commitment to You:
  • Continuous learning and development opportunities.
  • Working with award-winning teams on impactful research projects.
  • Competitive benefits include 401k matching, flex time off, healthcare, and wellness programs.
  • A supportive and engaging work environment with various employee resource groups.

INTERFACE:
  • Primary interfaces are Government Program Information Systems Security Manager (ISSM), Operational Team Leads, internal customers, external customers, suppliers
  • Establish and maintain a strong working relationship with all team members and across all teams

A minimum of an IAM Level II or IAT Level II/III (DoD 8570/8140.01) certification is required at time of hire.
CLEARANCE REQUIREMENTS:
Current or active Department of Defense Top Secret clearance with SCI eligibility required with ability to obtain a Polygraph is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.
Workplace Options: This position is based 100% on-site in San Antonio, Texas.
Salary Note
This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled.
Combined Salary Range
USD $82,015.00 - USD $88,743.00 /Yr.
Company Overview
General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team!
Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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