Systems Security Engineer Jobs in Austin, TX
Systems Security Engineer jobs in Austin, Texas concentrate in the Domain, downtown's Second Street District, and the East Riverside corridor, where government contractors, defense primes, and cloud technology firms post the most openings. Employers actively hiring include CACI International, University of Texas at Austin, and TWIA. Scan the live roles below and apply to whichever ones fit.
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Showing 5 of 81+ Systems Security Engineer jobs
The Opportunity:
CACI is seeking a Cyber Security professional with experience fulfilling customer requirements for system security posture assessment, authorization process execution, and continuous monitoring to work as part of a team supporting CACI products. The successful candidate will work with CACI team members to assess information security controls on new and existing systems, work with system owners to resolve/mitigate information security findings and help maintain security posture of systems/networks. Conduct Risk Management Framework (RMF) tasks for obtaining Authorization to Operate (ATO) for CACI systems/networks.
Responsibilities:
- Collaborate with system integrators and administrators to harden information systems to the required acceptable level
- Provide full Assessment & Authorization (A&A) support and technical security guidance in all phases of the system authorization process and/or Risk Management Framework (RMF)
- Generate and author security documentation in support of security authorization efforts
- Conduct security review of information system security plans (SSP) for networks and information systems
- Conduct research to identify security vulnerabilities and provide guidance to mitigate risks to information systems
- Provide corrective actions into a coherent information security strategy
- Review and analyze systems/networks architecture diagrams
- Convey knowledge and security focused comprehensive solutions to technically complex systems and challenges encountered while implementing security
Qualifications:
Required:
- Must have an active Top Secret/SCI clearance to start
- Bachelor’s degree in information technology and/or information systems related discipline desired (will consider experience in lieu of degree) and 3 or more years of experience
Experience:
- Strong background in Information Technology processes and/or systems administration
- 3+ years recent experience generating and implementing System Security Accreditation/ICD 503 packages for DoD and/or IC Customers
- 3+ years recent experience establishing security processes, practices and principles for TOP SECRET communication network connected systems
- 3+ years’ recent experience with NIST SP 800-53, CNSSI 1253, and FISMA requirements
- RMF Working knowledge
- Windows and Linux working knowledge
- Understanding of networking concepts
- 8570.01/8140.03 Compliant: Security+ or equivalent
- Ability to work independently with minimal supervision as well as part of a team
Desired:
- Ability to work in an agile, fast paced environment
- Excellent verbal and written communications for technical and security related topics
- Experience with XACTA and or eMASS
- Use of network security vulnerability assessment tools including ACAS - NESSUS, SCAP, and HBSS
- Knowledge of DoD/IC Information Assurance Vulnerability Management (IAVM) and Configuration Management processes
- Desired Certifications: Certified Information Systems Security Professional (CISSP), Certified Governance Risk Compliance (CGRC), Linux OS Certifications
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$69,600 - 142,700 USDThe Opportunity:
CACI is seeking a Cyber Security professional with experience fulfilling customer requirements for system security posture assessment, authorization process execution, and continuous monitoring to work as part of a team supporting CACI products. The successful candidate will work with CACI team members to assess information security controls on new and existing systems, work with system owners to resolve/mitigate information security findings and help maintain security posture of systems/networks. Conduct Risk Management Framework (RMF) tasks for obtaining Authorization to Operate (ATO) for CACI systems/networks.
Responsibilities:
- Collaborate with system integrators and administrators to harden information systems to the required acceptable level
- Provide full Assessment & Authorization (A&A) support and technical security guidance in all phases of the system authorization process and/or Risk Management Framework (RMF)
- Generate and author security documentation in support of security authorization efforts
- Conduct security review of information system security plans (SSP) for networks and information systems
- Conduct research to identify security vulnerabilities and provide guidance to mitigate risks to information systems
- Provide corrective actions into a coherent information security strategy
- Review and analyze systems/networks architecture diagrams
- Convey knowledge and security focused comprehensive solutions to technically complex systems and challenges encountered while implementing security
Qualifications:
Required:
- Must have an active Top Secret/SCI clearance to start
- Bachelor’s degree in information technology and/or information systems related discipline desired (will consider experience in lieu of degree) and 3 or more years of experience
Experience:
- Strong background in Information Technology processes and/or systems administration
- 3+ years recent experience generating and implementing System Security Accreditation/ICD 503 packages for DoD and/or IC Customers
- 3+ years recent experience establishing security processes, practices and principles for TOP SECRET communication network connected systems
- 3+ years’ recent experience with NIST SP 800-53, CNSSI 1253, and FISMA requirements
- RMF Working knowledge
- Windows and Linux working knowledge
- Understanding of networking concepts
- 8570.01/8140.03 Compliant: Security+ or equivalent
- Ability to work independently with minimal supervision as well as part of a team
Desired:
- Ability to work in an agile, fast paced environment
- Excellent verbal and written communications for technical and security related topics
- Experience with XACTA and or eMASS
- Use of network security vulnerability assessment tools including ACAS - NESSUS, SCAP, and HBSS
- Knowledge of DoD/IC Information Assurance Vulnerability Management (IAVM) and Configuration Management processes
- Desired Certifications: Certified Information Systems Security Professional (CISSP), Certified Governance Risk Compliance (CGRC), Linux OS Certifications
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range :
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$69,600 - 142,700 USDSee All 81 Systems Security Engineer Jobs in Austin
Find roles in Austin that match your experience and apply in just a few clicks.
Find JobsSystems Security Engineer Job Market in Austin
Who's Hiring
- CACI International12
- University of Texas at Austin12
- TWIA6
- Cloudflare6
- Alterman6
Top Industries Hiring
- Education
- Cybersecurity
- Technology & Software
- Electronics & Hardware
Systems Security Engineer Jobs in Austin: Frequently Asked Questions
How do I get a systems security engineer job in Austin?
Target Austin's defense and government contracting sector first, as agencies and primes clustered around the Domain and north Austin corridors hire systems security engineers at a higher rate than most other local industries. Familiarity with cloud security, NIST frameworks, and zero-trust architecture gives candidates a clear edge here. Networking through local chapters of ISACA and ISSA Austin also opens doors that online applications alone typically don't.
Which companies hire systems security engineers in Austin?
Austin systems security engineer roles are posted by CACI International, University of Texas at Austin, and TWIA and others right now, based on current listings on Migrate Mate as of November 2026. Austin's employer mix runs from large federal contractors and semiconductor manufacturers to high-growth fintech and cloud software firms, giving candidates a wide range of environments and clearance requirements to consider.
Are there remote systems security engineer jobs in Austin?
Yes, though availability depends on the role: positions requiring hands-on lab work, cleared facility access, or network infrastructure management are almost always on-site, while governance, risk, compliance, and cloud security architecture roles run remote far more often. About 41% of systems security engineer openings tied to Austin are remote or hybrid as of November 2026, with the highest remote concentration in cloud security and policy-focused positions at Austin's software and fintech employers.
How can I get a systems security engineer job in Austin with little or no experience?
The most realistic entry path in Austin is landing a junior security analyst or IT security operations role at one of the city's many managed security service providers or mid-size tech companies, then building toward a systems security engineering title from there. Austin Community College's cybersecurity programs and UT Austin's continuing education certificates are recognized by local employers as credible starting points. Earning a CompTIA Security+ or pursuing a clearance-eligible background both sharpen your competitiveness with Austin's defense-adjacent employers specifically.
Which industries hire the most systems security engineers in Austin?
The sectors hiring the most systems security engineers in Austin are Education, Cybersecurity, and Technology & Software, based on current listings on Migrate Mate as of November 2026. Austin's role as a hub for semiconductor design, federal agency satellite offices, and venture-backed cloud software companies creates layered demand across both cleared and commercial environments that few other Texas cities replicate.
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