ISSE

Evlos Technology LLC; San Antonio (TX); Hybrid; USD 105,000 - 135,000; Full time

Job summary

Evlos Technology LLC in San Antonio, TX is seeking an experienced Information Systems Security Engineer (ISSE) to design, assess, and secure complex systems and networks across multiple enclaves. You will apply RMF processes, DISA STIGs/SRGs, NIST controls, and risk analysis to guide secure system design and accreditation for DoD missions.

This hybrid role requires strong collaboration, ownership, and the ability to work with government stakeholders, including occasional on-site work at Evlos

Qualifications

• Active U.S. Government Secret security clearance required.
• U.S. citizenship is required.
• Experience with DoD RMF, system authorization and accreditation processes.
• Strong knowledge of TCP/IP, architectures and network topologies.
• Familiarity with NIST SP 800-53 controls.
• DoD 8140 IAT Level II compliant certification (e.g., Security+, SSCP, CCNA Security, GSEC).
• Experience with DISA STIGs and SRGs and vulnerability management tools.
• Hands-on RMF workflows in eMASS, Xacta or similar RMF system.
• Strong analytical, communication, collaboration, and problem-solving skills.
• Ability to work 1-2 days per week in the Evlos San Antonio office.

Responsibilities

• Create, review, and edit authorization and accreditation documentation.
• Understand and implement RMF system authorization processes.
• Assess risks from open-source, GOTS, and COTS components.
• Use vulnerability management systems and automated security tools.
• Apply DISA STIGs/SRGs and security guidelines.
• Provide security planning, risk analysis, and risk management support.
• Recommend system-level solutions to meet security requirements.
• Support government stakeholders in trusted external relationships.
• Design secure networking and enclave environments.
• Facilitate information exchanges with stakeholders.
• Follow or develop defensible security processes as needed.
• Work independently and as part of a technical team.

Skills

Analytical skills

Communication

Collaboration

Problem solving

Education

Bachelor's degree in a related field

Master's degree in a related field

High School Diploma or equivalent with 13+ years of relevant experience

Tools

Kubernetes

Bash

Visio

draw.io

RHEL

AWS Cloud

Job description

Information Systems Security Engineer (ISSE)

Job Description

AtEvlos Technology, We're Solvers at heart. We bring together talented people, evolving technology, and innovative ideas to solve complex problems and support meaningful customer missions.

Evlos is seeking an experiencedInformation Systems Security Engineer (ISSE) to join our team. In this role, you will help design, assess, and secure complex systems and networks spanning multiple enclaves with varying data protection and classification requirements.

The ideal Solver will have a strong understanding of distributed architectures, cloud-based systems, DoD cybersecurity requirements, and security engineering for Big Data environments. You'll work closely with technical teams and government stakeholders to evaluate risk, guide secure system design, and ensure systems meet required security and accreditation standards.

We're looking for someone who is technically strong, collaborative, adaptable, and comfortable taking ownership—whether that means following an established process or developing a defensible solution when one doesn't yet exist.

This position requires ahybrid work schedule in San Antonio, Texas, with flexibility to accommodate customer and mission needs.

Essential Job Responsibilities

• Create, review, and edit authorization and accreditation documentation for completeness, accuracy, and compliance with federal and DoD policies.

• Understand and implementDoD Risk Management Framework (RMF) system authorization processes.

• Assess operational and security risks associated with integrated open-source, GOTS, and COTS software components.

• Utilize vulnerability management systems, automated security scanning tools, and system authorization/accreditation record systems.

• Interpret and applyDefense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) andSecurity Requirements Guides (SRGs).

• Provide security planning, assessment, risk analysis, and risk management support.

• Recommend system-level solutions to address security requirements and guide development teams in achieving required security posture.

• Support government stakeholders in establishing and enforcing trusted relationships among external systems and architectures.

• Apply knowledge of Information Assurance policies, procedures, and workforce requirements to design, develop, and implement secure networking, computing, and enclave environments.

• Facilitate information exchanges and collaborate with technical and non-technical stakeholders to gather necessary security and authorization information.

• Follow established security processes when applicable and develop and execute defensible processes when established guidance does not exist.

• Work effectively both independently and as part of a collaborative technical team.

• Perform other duties as assigned.

Minimum Qualifications

• Active U.S. Government Secret security clearance required.

• U.S. citizenship is required.

• 9+ years of relevant ISSE experience supporting large, multi-tiered programs with aBachelor's degree in a related field; OR

• 7+ years of relevant experience with aMaster's degree in a related field; OR

• High School Diploma or equivalent with13+ years of relevant experience.

• Experience implementingDoD system authorization/accreditation processes, with RMF experience preferred.

• Working knowledge of theTCP/IP suite of protocols and services, computer architectures, and network topologies.

• Understanding of the underlying framework, control inheritance, and artifact generation associated withNIST SP 800-53.

• DoD 8140 IAT Level II compliant certification, such as Security+, SSCP, CCNA Security, GSEC, or other qualifying certification.

• Experience withDISA STIGs and SRGs, vulnerability management systems, mitigation and compliance processes, and automated security scanning tools.

• Hands-on experience navigating RMF workflows, uploading artifacts, and managingPlans of Action and Milestones (POA&Ms) in eMASS, Xacta, or an equivalent RMF system of record.

• Strong analytical, communication, collaboration, and problem-solving skills.

• Ability to work effectively both independently and as part of a team.

• Ability to work in a hybrid environment, spending an average of1-2 days per week at the Evlos San Antonio, TX office. Flexibility is required to accommodate changes in customer or mission schedules as needed.

Preferred Qualifications

• CISSP-ISSEP certification is highly desired.

• Experience withBash scripting.

• Experience withKubernetes.

• Experience withVisio and/or draw.io.

• Experience withRed Hat Enterprise Linux (RHEL).

• Experience withAWS Cloud technologies.