Information Systems Security Engineer - Intermediate

About the role

Full‑Time position located in Colorado Springs, CO. Some travel expected. Requires an active Department of Defense (DoD) Secret security clearance and U.S. Citizenship. Five Stones Research Corporation (5SRC) is seeking energetic candidates to join our established and growing Huntsville‑headquartered team.

Responsibilities

• Serve as the lead cybersecurity liaison across engineering and program teams, ensuring alignment between cybersecurity objectives and system development.
• Work closely with chief engineers, ISSMs, and cross‑functional stakeholders to engineer cybersecurity resiliency into all information systems.
• Support execution of cybersecurity programs by providing guidance, policy alignment, and technical expertise.
• Translate security controls into system specifications and ensure secure design integration without impacting mission or performance requirements.
• Ensure cybersecurity‑derived technical and performance requirements are incorporated into RFPs, contracts, and all program documentation.
• Maintain a holistic view of system security, validating the effectiveness, suitability, and mission supportability of cybersecurity features.
• Integrate threat and vulnerability intelligence into cybersecurity decision‑making, risk assessments, and engineering trade analyses.
• Contribute to alternatives analyses to achieve cost‑effective, mission‑aligned security architectures.
• Evaluate system architectures for defense‑in‑depth protections; recommend configuration changes and countermeasures to reduce cyber risk.
• Assess SIEM and vulnerability scan outputs, identify weaknesses, and recommend corrective actions.
• Ensure System Security Engineering (SSE) requirements are identified, documented, implemented, and tested throughout the development lifecycle.
• Provide recommendations for cyber‑enabled technologies and tools that enhance system protection.
• Support system test events, security assessments, and engagements with validation, vulnerability assessment, and compliance teams.
• Lead or contribute to program protection analyses for critical program information and components.

Requirements

• Bachelor’s degree in a STEM‑related field from an accredited institution with 5 years of relevant IT experience working on missile defense‑related or other complex, large DoD programs/projects.
• Or Bachelor’s degree in a non‑STEM related field with 10 years of relevant IT experience working on missile defense‑related or other complex, large DoD programs/projects.
• Ability to work independently and/or lead sub‑teams, applying engineering rigor to analyze and resolve problems.
• Ability to develop technical solutions to complex problems requiring regular use of ingenuity and creativity.
• DoD 8570.01 IASAE Level II baseline certification required at time of hire (no exceptions).
• Active DoD Secret security clearance and U.S. Citizenship required.

Benefits

• 401(k) Matching
• Company Events
• Dental Insurance
• Employee Recognition Programs
• Health Insurance
• Life Insurance
• Paid Time Off
• Parental Leave
• Performance Incentives
• Student Loan Repayment
• Tuition Reimbursement
• Vision Insurance

Pay

Salary range: $112,000 - $122,000.