Information Systems Security Engineer; ISSE), Level 3; FORECASTED

Information Systems Security Engineer (ISSE), Level 3 (FORECASTED)

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What You Will Do

At Independent Software, we believe national security and innovation go hand in hand. As a Level 3 Information Systems Security Engineer, you will be a senior technical leader on security engineering teams responsible for designing, implementing, and integrating secure systems. Your work will ensure that networks, enclaves, and system components meet strict cybersecurity standards throughout the system development lifecycle. You will assess vulnerabilities, define system-level security requirements, and collaborate across disciplines to maintain and enhance system integrity.

Independent Software is more than just a workplace, it’s a community of mission-driven professionals committed to technical excellence, integrity, and collaboration. You’ll have the opportunity to work on impactful programs that protect national interests, alongside a team that values your expertise and encourages continuous learning. We offer competitive compensation, flexible work options, and a culture that supports work-life balance. If you’re passionate about cybersecurity and want your work to truly make a difference, this is the place to do it.

Key Responsibilities

• Serve as the primary security engineering expert on system development and integration teams
• Perform technical assessments to identify vulnerabilities and ensure compliance with cybersecurity standards
• Define and validate security requirements and integrate them into system designs
• Develop and implement secure networking, computing, and enclave solutions
• Apply knowledge of cybersecurity policies, procedures, and workforce structures
• Support the design and implementation of trusted relationships between systems and architectures
• Perform system risk assessments and recommend mitigation strategies
• Contribute to security planning, risk analysis, certification, and accreditation activities
• Review security documentation including System Security Plans, Risk Assessments, and Security Test Plans
• Interact with stakeholders to resolve security issues and ensure secure system deployment
• Ensure systems meet classification and data protection requirements across multiple enclaves

Required Skills And Qualifications

• Extensive experience in cybersecurity engineering for complex systems and networks
• Proficient in security risk management, system hardening, and vulnerability assessments
• Strong understanding of PKI, authentication mechanisms, encryption protocols, and secure architectures
• Familiar with the full system development lifecycle and secure integration practices
• Ability to translate security requirements into technical solutions
• Experience leading or participating in engineering teams across multiple domains
• Excellent communication and collaboration skills with technical and non-technical stakeholders

Education And Experience

• Bachelor’s degree in Computer Science, Information Assurance, Information Security, Systems Engineering, or related field
• A Master’s degree in a related field may substitute for 2 years of experience
• In lieu of a Bachelor’s degree, an additional 4 years of relevant experience may be substituted

Certifications

• Must meet Department of Defense 8570.01-M requirements of IASAE Level 3 compliance
• Both CISSP and ISSEP certifications are required

Clearance Requirement

• Must possess an active TS/SCI with appropriate Polygraph to be considered for this role
• This position is contingent on contract award

We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• IT Services and IT Consulting

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