Optimal Business Solutions
Information Systems Security Engineer (ISSE)
Skills
2 months ago
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Important information
Contract type:
Permanent
Salary:
$140,000 – $160,000 / year
Location:
Washington, DC, USA
Work mode:
Hybrid
Published on:
12 August 2026
What they need
Role Overview
We are seeking an Information Systems Security Engineer (ISSE) to provide technical and hands-on security engineering support for federal cloud and enterprise systems. This role focuses on securing cloud-based architectures, integrating security across the system lifecycle, and supporting Information System Security Officers (ISSOs) with authorization and accreditation activities.
Role Responsibilities
- Design and implement security mechanisms protecting IT and cloud solutions in Microsoft Azure and Amazon Web Services (AWS).
- Integrate security requirements throughout the system development lifecycle, including applications, single and multi-purpose information systems, operating systems, and CI/CD pipelines.
- Design and assess secure information system and cloud architectures, including Azure and other cloud vendors.
- Highly experienced in designing the configuration of NSGs, Azure Firewall, Private Endpoints security, Azure VNETs, subnets, routing tables, security groups, and network Access Control Lists.
- Expert in assessing the effectiveness of implemented security mechanisms and configurations.
- Provide technical and engineering support to ISSOs performing A&A activities.
- Conduct security impact assessments for system, architecture, application, and configuration changes.
- Perform threat modeling to identify, analyze, and mitigate risks associated with application and infrastructure design changes.
- Integrate Supply Chain Risk Management (SCRM) activities aligned with NIST SP 800-161 into information system designs
- Apply application security best practices, including secure coding principles, dependency management, and vulnerability remediation.
- Support DevSecOps practices by designing and integrating security controls, scanning, and monitoring at strategic points of the CI/CD pipeline prior to introduction to a production environment.
- Design and implement security best practices to containers and Infrastructure as Code
- Develop security architecture documentation, technical standards, and risk-based recommendations based on security designs.
Required Qualifications and Education:
- Bachelor's Degree in Cybersecurity, IT, Engineering, or related field.
- 6+ years of cybersecurity and 2+ years of verifiable ISSE experience.
- Strong networking experience, including TCP/IP, routing and switching, firewalls, VPNs, load balancing, and cloud networking.
- Strong experience integrating threat modeling analysis using specific threat modeling framework(s) with security impact analysis activities.
- Demonstrated experience with Azure networking services.
- Experience with application security and DevSecOps in cloud-based environments.
- Strong knowledge of NIST RMF, FedRAMP, NIST SP 800-160, NIST SP 800-161, and NIAP / Common Criteria
- Experience with Kubernetes or other container technologies, and Infrastructure as Code preferred.
- Strong communication skills
Required Certifications
- Certified Information Systems Security Professional (CISSP) or equivalent.
- Certified Cloud Security Professional (CCSP)
Preferred Certifications:
- CISSP-ISSEP
- CISSP-ISSAP
Clearance and Location Requirements:
- Able to be cleared for a Public Trust clearance.
- This position requires to be onsite 3 days per week in Washington, DC.
Pay: $140,000.00 - $160,000.00 per year
Benefits:
- 401(k)
- Dental insurance
- Health insurance
- Paid time off
- Tuition reimbursement
- Vision insurance
Application Question(s):
- Are you able to work onsite in Washington, DC, three days per week?
- Do you have a bachelor’s degree in Cybersecurity, Information Technology, or a closely related field from a U.S.-accredited institution?
- Do you have hands-on experience designing and securing Azure network architectures using NSGs, Azure Firewall, Private Endpoints, VNETs, subnets, and routing tables?
License/Certification:
- CISSP (Required)
- CCSP (Required)
- CISSP-ISSAP (Preferred)
- CISSP-ISSEP (Preferred)
Security clearance:
- Secret (Required)
Ability to Commute:
- Washington, DC 20581 (Required)
Work Location: Hybrid remote in Washington, DC 20581
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