$120,001–$160,000 Per Year
Aerospace and Defense, Authentication, Cisco Network Systems, Computer Security, Contingency Plans, Cross-Domain Solutions (CDS), Cross-Functional, Cryptography, Department of Defense Architecture Framework (DoDAF), Documentation, Emerging Technology, Government, Hardware Virtualization, Information Systems Security Engineering (ISSE), Information Technology & Information Systems, Information/Data Security (InfoSec), Internet Security, Intrusion Detection Systems, Linux Operating System, Microsoft Windows Operating System, NORAD - North American Aerospace Defense Command, Network Monitoring, Operational Strategy, Operational Support, Portfolio Analysis, Professional Services, Regulatory Compliance, Regulatory Requirements, Risk, Risk Management, Risk Management Framework (RMF), Security Auditing, Security Clearance, Security Design, Security Information and Event Management (SIEM), Security Monitoring, Sensitive Compartmented Information (SCI), Stratosphere, System Lifecycle, Systems Administration/Management, Systems Engineering, Technical Support, Technical Writing, Technical/Engineering Design, Top Secret Clearance, U.S. National Institute of Standards and Technology (NIST), United States Citizen, United States Department of Defense (DoD), Virtualization, Work From Home
IT Systems Security Engineer (ISSE)
Job ID: 2613144
Location: Colorado Springs, CO, United States
Date Posted: Jul 1, 2026
Category: Cyber
Subcategory: Cyber Engineer
Schedule: Full-Time
Shift: Day Job
Travel: No
Minimum Clearance Required: TS/SCI
Clearance Level Must Be Able to Obtain: None
Potential for Remote Work: On-Site
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Job Description
Description
Join SAIC''s team and play a pivotal role in defending North America. We are seeking an experienced Information System Security Engineer (ISSE) in Colorado Springs, CO to lead cybersecurity and compliance efforts for the critical North American Aerospace Defense Command and United States Northern Command (N-NC) Information Technology (IT) Enterprise Services (NITES) contract. In this role, you will ensure that customer systems remain secure, compliant, and mission-ready for any challenge.
The ISSE is responsible for designing, developing, and implementing secure information systems that support mission operations. You will collaborate with multidisciplinary teams, including Information Systems Security Managers (ISSMs), systems engineers, and government stakeholders, to integrate effective security controls and ensure systems remain resilient against evolving threats and vulnerabilities.
Responsibilities
The selected candidate will be responsible for the following:
- Apply system security engineering and Zero Trust principles to system security design, lifecycle engineering, authentication/authorization mechanisms, cryptography, and intrusion detection in accordance with NIST SP 800-160 Vol. 1 and 2.
- Conduct or support technical cybersecurity assessments, security audits, and contingency planning.
- Coordinate with cybersecurity personnel to recommend mitigation strategies that reduce operational risk.
- Identify system vulnerabilities and instances of non-compliance with cybersecurity standards and regulatory requirements.
- Assess portfolios of existing and new security scanning and monitoring tools, ensuring proper integration within system environments and DevSecOps pipelines.
- Support the Risk Management Framework (RMF) authorization process by reviewing security documentation and providing risk-based recommendations to stakeholders.
- Participate actively in the Change Advisory Board (CAB), assessing the impact of proposed changes and communicating required security artifacts.
- Collaborate as a key member of engineering and planning boards, serving as a central point of contact for the RMF team, system owners, and network/virtualization engineers to refine technical design documentation.
Qualifications
Required:
- US Citizen and Active TS/SCI security clearance.
- Certification required per DoDD 8140.03, Advanced Level (CISSP or equivalent.)
- Bachelor''s and Five (5) or relevant years of experience in lieu of degree.
- 3+ years of experience as a Cyber Engineer or Systems Security Engineer for DoD systems.
- Demonstrated experience with networking concepts, along with Windows and Linux operating systems.
- Flexible, independent, self-motivated, and punctual.
Desired:
- Direct experience with RMF artifacts, eMASS record tracking, and POA&M management.
- Experience with Security Information and Event Management (SIEM) solutions and Network Monitoring Tools (SolarWinds, Stratosphere, Cisco ISE).
- Experience with the certification of Cross Domain Solutions (CDS).
- In-depth knowledge of network appliances, virtualization platforms, and their security features.
- Familiarity with DoD Architecture Framework (DoDAF) and the system acquisition lifecycle.
Target salary range: $120,001 - $160,000. The estimate displayed represents the typical salary range for this position based on experience and other factors.
Overview
SAIC accepts applications on an ongoing basis and there is no deadline.
SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.
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Science Applications International Corp
SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.
We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.