Independent Software
Information Systems Security Engineer (ISSE), Level 3 (FORECASTED)
Independent Software, Fort George Meade, Maryland, United States
Information Systems Security Engineer (ISSE), Level 3 (FORECASTED)
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
Masters 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 for 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
Why Choose Independent Software? At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.
When you join us, you will:
Support critical national security missions that matter
Be part of a close‑knit, employee‑first culture where your voice is heard
Expand your skills through ongoing training, mentorship, and career development
Enjoy competitive compensation, generous benefits, and work‑life balance
Ready to take the next step in your career? Join us and be part of something bigger.
Apply today.
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.
This position is contingent on contract award
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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
Masters 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 for 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
Why Choose Independent Software? At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive.
When you join us, you will:
Support critical national security missions that matter
Be part of a close‑knit, employee‑first culture where your voice is heard
Expand your skills through ongoing training, mentorship, and career development
Enjoy competitive compensation, generous benefits, and work‑life balance
Ready to take the next step in your career? Join us and be part of something bigger.
Apply today.
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.
This position is contingent on contract award
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