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Information System Security Engineer Jobs in Texas

CACI

Information System Security Officer

Austin, TX

Information System Security Officer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to ...

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Information System Security Engineer information

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How much do information system security engineer jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for information system security engineer in Texas is $54.48, according to ZipRecruiter salary data. Most workers in this role earn between $45.24 and $62.93 per hour, depending on experience, location, and employer.

What does an information system security engineer do?

An Information System Security Engineer is responsible for designing, implementing, and maintaining secure information systems to protect an organization's data and technology assets. They assess security risks, develop security architectures, configure security tools, and ensure compliance with industry standards and regulations. Their work includes monitoring for security breaches, responding to incidents, and updating security protocols as threats evolve. They often collaborate with IT and management teams to ensure overall system security and resilience.

What are the key skills and qualifications needed to thrive as an information system security engineer, and why are they important?

To thrive as an Information System Security Engineer, you need a solid understanding of cybersecurity principles, risk assessment, and network architecture, typically supported by a degree in computer science or information security. Familiarity with security tools such as firewalls, intrusion detection/prevention systems (IDS/IPS), vulnerability scanners, and certifications like CISSP or Security+ are commonly required. Strong analytical thinking, attention to detail, and effective communication skills set top performers apart in this field. These competencies are crucial for identifying vulnerabilities, safeguarding sensitive data, and ensuring compliance with security standards in complex IT environments.

What are some common challenges information system security engineers face when working with cross-functional teams?

Information System Security Engineers often collaborate with developers, IT staff, and business stakeholders to ensure security requirements are integrated throughout system lifecycles. A common challenge is translating technical security controls into actionable items that align with business objectives and project timelines. Additionally, balancing security needs with usability and system performance can require negotiation and compromise. Effective communication and a proactive approach to fostering security awareness across teams are key to overcoming these challenges.

What is the difference between Information System Security Engineer vs Network Security Engineer?

AspectInformation System Security EngineerNetwork Security Engineer
CertificationsCompTIA Security+, CISSP, CEHCCNA Security, CISSP, CompTIA Security+
Work EnvironmentDesigning and implementing security measures for entire information systemsSecuring network infrastructure and traffic
Employer & Industry UsageIT security teams across various industries, focusing on system securityNetworking teams, ISPs, data centers, focusing on network security

While both roles focus on security, the Information System Security Engineer primarily safeguards entire information systems, including applications and data, whereas the Network Security Engineer concentrates on protecting network infrastructure and traffic. Understanding these distinctions helps in choosing the right career path or job focus within cybersecurity.

What are popular job titles related to Information System Security Engineer jobs in Texas?

For Information System Security Engineer jobs in Texas, the most frequently searched job titles are:

What job categories do people searching Information System Security Engineer jobs in Texas look for?

The top searched job categories for Information System Security Engineer jobs in Texas are:

Information System Security Engineer jobs near you
Infographic showing various Information System Security Engineer job openings in Texas as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 22% Part Time, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $113,325 per year, or $54.5 per hour.

Information System Security Engineer (ISSE) - Risk Management Framework (RMF), AWS, ACAS, Splunk

Berriehill Research

San Antonio, TX • On-site

Full-time

Re-posted 14 days ago

Job description

If you are looking for a career as an Information System Security Engineer (ISSE) and you are interested in designing, securing, and improving information systems through the Department of Defense (DoD) Risk Management Framework (RMF), then our Raleigh, NC and/or San Antonio, TX division of ARA has an exciting opportunity worth considering. Not only will you solve challenging cybersecurity problems, but you’ll also have the opportunity to grow your career in an environment that promotes teamwork, mentorship, and cross-training across a broad range of cybersecurity and engineering disciplines.  

Applied Research Associates, Inc. (ARA) is looking for a bright, motivated, and energetic individual who embraces our core values of Passion, Freedom, Service, and Growth! As an Information System Security Engineer, you will participate in a dynamic team to develop, test, and validate Department of Defense (DoD) Risk Management Framework (RMF) security controls across cloud environments. You will also be offered learning opportunities that will help you grow your technical and professional skills and allow you to pursue the work you are passionate about.

What you’ll do as an Information System Security Engineer:

  • Work alongside system administrators, software developers, and customers to identify and remediate cybersecurity vulnerabilities
  • Become responsible for managing tools such as Assured Compliance Assessment Solution (ACAS), Splunk, Microsoft Defender, and Clam AV to monitor system health, assess security compliance, and investigate findings
  • Apply Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIG), security best practices, and configuration management processes to harden systems and maintain compliance with DoD cybersecurity requirements

Information System Security Engineer Requirements:

  • US citizenship (Selected applicants will undergo a security investigation and must meet eligibility requirements at the time of employment)
  • Active DoD Secret Clearance (At the time of hire)
  • BS or higher in Cybersecurity, Computer Science, Information Technology, Engineering, Applied Mathematics, or a closely related field
  • 2-4 years of relevant work experience with a bachelor’s degree, or 0-2 years of relevant work experience with a master’s degree
  • Excellent communication, documentation, and collaboration skills
  • Ability to work onsite 3 days per week in Raleigh, NC or San Antonio, TX

Information System Security Engineer Preferences:

  • Relevant AWS Certification
  • CompTIA Security +
  • Experience supporting or implementing the DoD RMF
  • Experience with ACAS and other vulnerability scanners
  • Experience using security monitoring and endpoint protection tools such as Splunk, Microsoft Defender, and Clam AV
  • Experience applying DISA STIGs and Security Requirement Guides (SRGs)
  • Experience identifying, prioritizing, and remediating operating system, application, and infrastructure vulnerabilities
  • Familiarity with continuous monitoring, vulnerability management, and security compliance processes
  • Experience with cloud platforms such as AWS or Azure
  • Experience with Infrastructure as Code (IaC) and/or Configuration as Code (CaC) tools such as Terraform, Salt, or Ansible
  • Familiarity with Windows and Linux systems administration

Who is ARA?  

Do you want to work for a purpose? Applied Research Associates, Inc. (aka ARA) is an employee-owned international research and engineering company. We have been providing technically superior solutions to complex and challenging problems in the physical sciences since 1979. ARA has over 2,200 employee-owners and continues to grow rapidly. Together, our offices throughout the U.S. and Canada provide a broad range of technical expertise in defense, civil, and health technologies, computer software and simulation, systems analysis, environmental technologies, and testing and measurement.  

ARA also prides itself, on having a challenging culture where innovation & experimentation are the norm. The motto, “Engineering and Science for Fun and Profit” sums up the ARA experience. Employee ownership ensures you have a voice in what happens in the company. We are also very proud of our Women’s Initiative Network (WIN), whose purpose is to motivate, support, and encourage professional career development for women to maximize career and professional accomplishments.  

To find out more about what the Software Enterprise Division has to offer, visit our website at: https://www.ara.com/benefits/ 

Apply