Information Systems Security Engineer (ISSE)- IDCS(M)
Semper Valens Solutions, San Antonio, TX, United States
Information Systems Security Engineer (ISSE)
Full-time San Antonio, TX
Active Top Secret/SCI clearance
Referral bonus: $1,000
Job Description:
The Digital Modernization Sector is seeking an experienced Information Systems Security Engineer (ISSE) to support the USAF Defensive Cyber Systems Program Management Office (PMO) at Joint Base San Antonio.
This role directly supports the Information Assurance (IA) team by engineering, integrating, and maintaining cybersecurity solutions that enable and sustain multiple Authority to Operate (ATO) authorizations. The ISSE will focus on building systems, pipelines, and processes that collect, generate, and validate required RMF artifacts, reducing manual effort and accelerating authorization timelines.
The ideal candidate is a hands-on cybersecurity engineer with strong experience in vulnerability management, STIG compliance, automation, and system integration across Windows, Linux, and containerized environments. This role bridges the gap between engineering and authorization, ensuring systems are both secure and audit ready.
Primary Responsibilities:
Design, build, and maintain technical solutions that support RMF and ATO artifact generation and validation
Directly support multiple ATO, IATT, and continuous monitoring efforts across the program
Engineer and maintain automated workflows for:
Vulnerability data collection (ACAS/Nessus)
STIG compliance validation (SCAP, SCC, STIG Viewer, STIG checklists)
Artifact generation for eMASS submission
Execute and analyze vulnerability scans using ACAS (Tenable.sc / Nessus) and integrate results into RMF workflows
Perform SCAP and SCC scans in both connected and isolated environments
Develop and maintain STIG checklists and support automated evaluation using tools such as STIG Viewer and Evaluator
Translate scan results into actionable findings, POA&Ms, and risk decisions
Support and maintain eMASS documentation, including:
Control implementations
Artifact uploads
Continuous monitoring updates
Build and maintain automation scripts using:
Python
Bash
PowerShell
Engineer solutions across:
Windows and Linux (RHEL-based systems)
Virtual environments (vSphere/ESXi)
Containerized platforms (Kubernetes, Spectro Cloud or similar)
Collaborate with IA, ISSOs, system engineers, and developers to:
Ensure systems are designed for compliance from the start
Reduce rework during ATO cycles
Support IAVM tracking, vulnerability prioritization, and reporting
Identify opportunities to automate manual RMF processes and improve efficiency across teams
Provide technical input into system architecture reviews from a cybersecurity perspective
Required Qualifications:
Able to work On-Site at Port San Antonio, Texas
BS degree in Cybersecurity, Computer Science, Engineering, or related field and 8–12 years of relevant experience (or equivalent experience)
Active Top Secret/SCI Clearance (required)
DoD 8140 certification (e.g., CISSP, or equivalent)
Strong hands-on experience with:
ACAS (Tenable.sc / Nessus)
SCAP and SCC tools
STIG implementation and validation (STIG Viewer, STIG checklists)
eMASS and RMF processes (ATO, IATT, continuous monitoring)
Experience supporting:
NIST RMF (800-37) and 800-53 controls
DoD ATO processes and artifact development
POA&M development and management
Strong technical experience with:
Linux (RHEL) and Windows systems
Scripting/automation (Python, Bash, PowerShell)
Virtualization (VMware vSphere / ESXi)
Ability to:
Interpret vulnerability data and map to security controls
Translate technical findings into RMF artifacts
Work across engineering and IA teams effectively
Strong communication skills and ability to work in a cross-functional, high-visibility environment
Additional Qualifications / Certifications (Preferred):
Experience with:
Kubernetes environments and container security
Spectro Cloud (Palette) or similar Kubernetes management platforms
Automation of STIG evaluation and checklist generation
CI/CD pipeline security integration
Elastic / logging / monitoring platforms
Familiarity with:
Disconnected or classified environments
IAVM program requirements and reporting
Continuous Monitoring Risk Scoring (CMRS)
Advanced certifications:
ACAS Operator and Supervisor Course
About Semper Valens Solutions:
Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community. At Semper Valens, our vision is to remain a creative, cutting edge and cost-effective solutions provider where our shared intellect, industry experience, and technology excellence, make a positive difference in our customer's success. Our solutions help bridge the gap between IT and business prioritizations to optimize budgets, risks, and operational processes. We search for outstanding technical professionals, hiring at all levels of the experience spectrum; intermediate, journeyman and senior. Consider us for your career plan.
Semper Valens Solutions is an Equal Opportunity Employer
Semper Valens Solutions proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital/parental status, pregnancy/childbirth, or related conditions, physical or mental disability, genetic information, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law. If you require a reasonable accommodation to apply for a position with Semper Valens Solutions through its online applicant system, please contact Semper Valens Solutions Human Resources Department at (830) 899-6870.Semper Valens Solutions is an affirmative action/equal opportunity employer - minorities, females, disabled, and protected veterans are urged to apply. Applicants have rights under Federal Employment Laws.
All Jobs at Semper Valens Solutions: https://sempervalens.com/careers
Full-time San Antonio, TX
Active Top Secret/SCI clearance
Referral bonus: $1,000
Job Description:
The Digital Modernization Sector is seeking an experienced Information Systems Security Engineer (ISSE) to support the USAF Defensive Cyber Systems Program Management Office (PMO) at Joint Base San Antonio.
This role directly supports the Information Assurance (IA) team by engineering, integrating, and maintaining cybersecurity solutions that enable and sustain multiple Authority to Operate (ATO) authorizations. The ISSE will focus on building systems, pipelines, and processes that collect, generate, and validate required RMF artifacts, reducing manual effort and accelerating authorization timelines.
The ideal candidate is a hands-on cybersecurity engineer with strong experience in vulnerability management, STIG compliance, automation, and system integration across Windows, Linux, and containerized environments. This role bridges the gap between engineering and authorization, ensuring systems are both secure and audit ready.
Primary Responsibilities:
Design, build, and maintain technical solutions that support RMF and ATO artifact generation and validation
Directly support multiple ATO, IATT, and continuous monitoring efforts across the program
Engineer and maintain automated workflows for:
Vulnerability data collection (ACAS/Nessus)
STIG compliance validation (SCAP, SCC, STIG Viewer, STIG checklists)
Artifact generation for eMASS submission
Execute and analyze vulnerability scans using ACAS (Tenable.sc / Nessus) and integrate results into RMF workflows
Perform SCAP and SCC scans in both connected and isolated environments
Develop and maintain STIG checklists and support automated evaluation using tools such as STIG Viewer and Evaluator
Translate scan results into actionable findings, POA&Ms, and risk decisions
Support and maintain eMASS documentation, including:
Control implementations
Artifact uploads
Continuous monitoring updates
Build and maintain automation scripts using:
Python
Bash
PowerShell
Engineer solutions across:
Windows and Linux (RHEL-based systems)
Virtual environments (vSphere/ESXi)
Containerized platforms (Kubernetes, Spectro Cloud or similar)
Collaborate with IA, ISSOs, system engineers, and developers to:
Ensure systems are designed for compliance from the start
Reduce rework during ATO cycles
Support IAVM tracking, vulnerability prioritization, and reporting
Identify opportunities to automate manual RMF processes and improve efficiency across teams
Provide technical input into system architecture reviews from a cybersecurity perspective
Required Qualifications:
Able to work On-Site at Port San Antonio, Texas
BS degree in Cybersecurity, Computer Science, Engineering, or related field and 8–12 years of relevant experience (or equivalent experience)
Active Top Secret/SCI Clearance (required)
DoD 8140 certification (e.g., CISSP, or equivalent)
Strong hands-on experience with:
ACAS (Tenable.sc / Nessus)
SCAP and SCC tools
STIG implementation and validation (STIG Viewer, STIG checklists)
eMASS and RMF processes (ATO, IATT, continuous monitoring)
Experience supporting:
NIST RMF (800-37) and 800-53 controls
DoD ATO processes and artifact development
POA&M development and management
Strong technical experience with:
Linux (RHEL) and Windows systems
Scripting/automation (Python, Bash, PowerShell)
Virtualization (VMware vSphere / ESXi)
Ability to:
Interpret vulnerability data and map to security controls
Translate technical findings into RMF artifacts
Work across engineering and IA teams effectively
Strong communication skills and ability to work in a cross-functional, high-visibility environment
Additional Qualifications / Certifications (Preferred):
Experience with:
Kubernetes environments and container security
Spectro Cloud (Palette) or similar Kubernetes management platforms
Automation of STIG evaluation and checklist generation
CI/CD pipeline security integration
Elastic / logging / monitoring platforms
Familiarity with:
Disconnected or classified environments
IAVM program requirements and reporting
Continuous Monitoring Risk Scoring (CMRS)
Advanced certifications:
ACAS Operator and Supervisor Course
About Semper Valens Solutions:
Semper Valens Solutions, Inc. (SVS) is a Service-Disabled Veteran Owned Small Business (SDVOSB) providing Cost Effective Software and Systems Engineering, Field Support, Training and Full Life cycle Support Management to the DOD and VA community. At Semper Valens, our vision is to remain a creative, cutting edge and cost-effective solutions provider where our shared intellect, industry experience, and technology excellence, make a positive difference in our customer's success. Our solutions help bridge the gap between IT and business prioritizations to optimize budgets, risks, and operational processes. We search for outstanding technical professionals, hiring at all levels of the experience spectrum; intermediate, journeyman and senior. Consider us for your career plan.
Semper Valens Solutions is an Equal Opportunity Employer
Semper Valens Solutions proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital/parental status, pregnancy/childbirth, or related conditions, physical or mental disability, genetic information, status as a Disabled Veteran, Recently Separated Veteran, Active-Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law. If you require a reasonable accommodation to apply for a position with Semper Valens Solutions through its online applicant system, please contact Semper Valens Solutions Human Resources Department at (830) 899-6870.Semper Valens Solutions is an affirmative action/equal opportunity employer - minorities, females, disabled, and protected veterans are urged to apply. Applicants have rights under Federal Employment Laws.
All Jobs at Semper Valens Solutions: https://sempervalens.com/careers