ISSE (Hybrid) -

Information Systems Security Engineer (ISSE) – Hybrid

Location: San Antonio, Texas
Work Arrangement: Hybrid (Approximately 1–3 Days Onsite Per Week)
Required Clearance: Active TS/SCI with Full Scope Polygraph

Wyetech is seeking an experienced Information Systems Security Engineer (ISSE) to support the design, development, implementation, and accreditation of secure information systems and network architectures supporting mission-critical Department of Defense (DoD) environments.

The ISSE will perform system and network security engineering across multiple enclaves, including environments with differing data protection and classification requirements. This position requires a comprehensive understanding of distributed architectures, cloud-based systems, and Big Data applications, as well as extensive experience implementing DoD Risk Management Framework (RMF) processes and information assurance requirements.

The successful candidate will collaborate with government stakeholders, cybersecurity professionals, system engineers, and software development teams to assess security risks, implement technical safeguards, maintain authorization documentation, and ensure compliance with federal and DoD security policies.

This position offers a hybrid work arrangement requiring approximately one to three days per week onsite in San Antonio, Texas. Candidates must be flexible to accommodate changes to onsite schedules based on mission and operational requirements.

Required Skills/Experience:

• Active TS/SCI clearance with Full Scope Polygraph.

• Demonstrated experience performing information systems security engineering for large, complex, multi-tiered programs and enterprise environments.

• Experience designing and evaluating secure system and network architectures spanning multiple enclaves with differing classification and data protection requirements.

• Experience implementing DoD system accreditation and authorization processes, including DIACAP or RMF, with RMF experience preferred.

• Thorough understanding of federal and DoD cybersecurity policies, security authorization requirements, and information assurance principles.

• Experience creating, reviewing, maintaining, and validating system authorization documentation for completeness, accuracy, and regulatory compliance.

• Experience assessing operational and cybersecurity risks associated with integrated open-source, Government Off-the-Shelf (GOTS), and Commercial Off-the-Shelf (COTS) software components.

• Experience using vulnerability management platforms, automated security scanning tools, and system accreditation record systems.

• Working knowledge of TCP/IP protocols and services, computer architectures, network topologies, and secure network design principles.

• Experience implementing and evaluating Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and Security Requirements Guides (SRGs).

• Experience with vulnerability identification, mitigation, remediation tracking, compliance validation, and analysis of automated security scan results.

• Knowledge of distributed system architectures, cloud-based computing environments, and security considerations associated with Big Data applications.

• Ability to perform security planning, risk assessments, risk analysis, and risk management activities.

• Experience recommending system-level security solutions and collaborating with engineering and development teams to meet established security requirements.

• Ability to independently evaluate complex technical issues, establish defensible security processes, and communicate findings to technical and nontechnical stakeholders.

• Strong interpersonal, analytical, technical documentation, and problem-solving skills.

• Ability to work independently and collaboratively within multidisciplinary engineering and cybersecurity teams.

• Ability to support a hybrid work schedule requiring approximately one to three days per week onsite in San Antonio, Texas.

Required Certification:

Must meet DoD 8570 Information Assurance Technical (IAT) Level II certification requirements through an accepted certification, such as:

• CompTIA Security+

• Systems Security Certified Practitioner (SSCP)

• Cisco Certified Network Associate Security (CCNA Security)

• GIAC Security Essentials Certification (GSEC)

Certification eligibility and compliance must align with applicable contract and DoD requirements.

Desired Skills/Certifications:

• Certified Information Systems Security Professional – Information Systems Security Engineering Professional (CISSP-ISSEP) certification is highly desired.

• Experience implementing and maintaining RMF authorization packages for complex DoD information systems.

• Experience supporting cloud-based architectures, distributed computing environments, and Big Data platforms.

• Experience with security engineering across multiple classification domains and interconnected enclaves.

• Experience supporting secure system integration, enterprise cybersecurity architecture, and authorization activities involving external systems.

• Familiarity with evolving DoD cybersecurity compliance requirements, security engineering methodologies, and continuous monitoring practices.

Responsibilities and Capabilities:

• Design, assess, and implement secure system and network architectures supporting multiple enclaves with varying classification and data protection requirements.

• Create, review, edit, and maintain security authorization documentation in accordance with federal and DoD cybersecurity policies.

• Implement and support DoD RMF accreditation and authorization processes throughout the system development and operational lifecycle.

• Develop and maintain security documentation, risk assessments, compliance artifacts, and supporting authorization materials.

• Evaluate operational risks associated with integrating open-source, COTS, and GOTS software components into mission-critical systems.

• Utilize vulnerability management systems, automated security scanning tools, and accreditation tracking platforms to assess system security posture.

• Review vulnerability scan results, identify security deficiencies, recommend corrective actions, and track remediation activities.

• Apply DISA STIGs and SRGs to assess system configurations, evaluate compliance, and support vulnerability mitigation efforts.

• Provide security planning, assessment, risk analysis, and risk management support for enterprise systems and applications.

• Recommend system-level security solutions to address technical requirements, mitigate identified vulnerabilities, and improve overall security posture.

• Collaborate with software developers, systems engineers, network engineers, and cybersecurity personnel to incorporate security requirements into system designs and implementations.

• Support the Government in evaluating, establishing, and enforcing trusted relationships among interconnected systems and external architectures.

• Apply information assurance policies, procedures, and technical controls to design and implement secure networking, computing, and enclave environments.

• Evaluate network protocols, system architectures, communication interfaces, and infrastructure components to identify potential security risks.

• Support security engineering activities involving distributed architectures, cloud-based systems, and Big Data applications.

• Facilitate technical information exchanges, requirements gathering sessions, engineering reviews, and cybersecurity discussions with diverse stakeholders.

• Follow established security engineering and compliance processes while developing and implementing defensible procedures when formal processes are not prescribed.

• Support continuous monitoring activities, security control assessments, compliance reviews, and ongoing authorization maintenance.

• Prepare technical findings, risk assessments, recommendations, and security documentation for government and program leadership.

• Coordinate with government representatives and engineering teams to resolve security-related issues and maintain compliance with mission requirements.

• Perform additional information systems security engineering responsibilities as required to support program objectives.

Qualifications:

Candidates must meet one (1) of the following education and experience combinations:

• Bachelor's degree in a related technical discipline from an accredited college or university, plus nine (9) years of relevant Information Systems Security Engineering experience supporting large, multi-tiered programs.

OR

• Master's degree in a related technical discipline from an accredited college or university, plus seven (7) years of relevant experience.

OR

• High school diploma or equivalent, plus thirteen (13) years of relevant Information Systems Security Engineering experience.

Additional Qualifications:

• Must possess and maintain an active TS/SCI security clearance with Full Scope Polygraph.

• Must possess a qualifying DoD IAT Level II certification.

• Must demonstrate experience implementing DoD system accreditation processes, with RMF experience preferred.

• Must possess knowledge of enterprise networking, cybersecurity architectures, vulnerability management, and DoD security compliance requirements.

• Must be capable of independently performing technical security engineering activities while collaborating effectively with government stakeholders and multidisciplinary teams.

• Must be available to work onsite approximately one to three days per week in San Antonio, Texas, with flexibility to accommodate mission-driven schedule changes.

Security Clearance and Additional Requirements:

• Required Clearance: Active TS/SCI with Full Scope Polygraph.

• U.S. Citizenship required.

• Must maintain applicable security clearance, certification, and program access requirements throughout employment.

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At Wyetech, you’ll be at the center of an award-winning corporate culture, breaking technological barriers and solving real-world problems for our federal government customers. We are committed to hiring the best of the best, and in return, we offer a world-class, truly unique employee experience that is rare within our industry.

Wyetech believes in generously supporting employees as they prepare for retirement. The company automatically contributes 20% of each employee's gross compensation to a Simplified Employee Pension (SEP) IRA, with no requirement for employee matching. All contributions are fully vested from day one, ensuring immediate ownership of retirement funds.

Additional benefits include:

Wyetech provides a generous PTO plan of up to 200 hours annually, aligned with applicable state leave regulations. Employees have the flexibility to adjust their PTO allocation at the start of each calendar year, ensuring it meets their evolving needs.

Full-time employees have the option to participate in a variety of voluntary benefit plans including:

• A Choice of Medical Plan Options, some with Health Savings Account (HSA)

• Vision and Dental

• Life and AD&D Benefits

• Short and Long-Term Disability

• Hospital Indemnity, Accident, and Critical Illness Insurances

• Optional Identity Theft and Legal Protection Services

• Employee Referral Bonus Eligibility up to $10,000

• Mobility Among Wyetech-supported Contracts

• Various contract and work locations throughout Maryland, Virginia, Colorado, Texas, Utah, Alaska, Hawaii and OCONUS

• Various team-building events throughout the year, such as monthly lunches, summer company picnic, and an annual holiday party.

• Employees receive two complimentary branded clothing orders annually.

Hourly Pay Range: $51.84–$118.91

Hourly pay rates listed for this position serve as a general guideline and are not a guarantee of compensation. Compensation will vary dependent upon factors including but not limited to: Government contract rates; education; relevant prior work experience, knowledge, skills, and competencies; certifications; and geographic location. Hourly pay rates reflect the pre-benefit gross wage amounts.

Wyetech, LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Affirmative Action Statement:

Wyetech, LLC is committed to the principles of affirmative action in all hiring and employment for minorities, women, individuals with disabilities, and protected veterans.

Accommodations:

Wyetech, LLC is committed to providing an inclusive and accessible hiring process. If you need any accommodations during the application or interview process, please contact Brittney Wood. at 844-WYETECH x727 or staffing@wyetech.com. We are happy to provide reasonable accommodations to ensure equal access to all candidates.

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