Information System Security Engineer

CSCI Consulting; Illinois; On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Competitive salaries

Full health benefits

401(k) retirement plan

Job summary

CSCI Consulting seeks an Information System Security Engineer (ISSE) to support a DoD modernization effort. You will harden systems across on‑premises and cloud environments and help ensure compliance with DoD cybersecurity requirements.

You will collaborate with architects, ISSOs, and government stakeholders to implement controls, perform risk analyses, and document security configurations for mission‑critical transportation and logistics operations.

Qualifications

• Active Secret/Top Secret-eligible clearance is required.
• 3–5 years of cybersecurity engineering, system hardening, vulnerability management, or information assurance.
• Hands-on experience with STIG Viewer and SCAP Compliance Checker.
• Experience with Tenable Security Center (SC) or equivalent vulnerability management tools.
• Strong knowledge of secure configuration management principles and best practices.
• Ability to communicate with technical and non-technical stakeholders.
• DoD 8140.03M DCWF Basic Tier Certification; CEH required.
• Willingness to learn and adapt in a DoD-focused environment.
• Past experience with Federal agencies is a plus.
• Team-oriented with strong time-management skills.

Responsibilities

• Implement and document STIG configurations across assigned systems and platforms.
• Conduct Security Impact Analyses for system changes and upgrades.
• Execute automated compliance validation using SCAP Compliance Checker.
• Manage vulnerability identification, tracking, remediation, and reporting.
• Assess cloud security posture with Tenable Cloud Security or similar tools.
• Support CyberArk PAM implementation and administration.
• Develop secure baselines and hardening standards.
• Author security implementation guides and documentation.
• Collaborate with engineering to validate security controls.
• Support cybersecurity architecture initiatives.

Skills

Active clearance

STIG/SCAP expertise

Vulnerability management

Technical documentation

Stakeholder communication

DoD RMF understanding

Cybersecurity fundamentals

Team collaboration

Education

Bachelor's degree in CS/IT/Cybersecurity

Tools

STIG Viewer

SCAP Compliance Checker

Tenable Security Center

Tenable Cloud Security

CyberArk PAM

Job description

Job Description

CSCI Consulting is looking for a skilled Information System Security Engineer (ISSE) to support a Department of Defense (DoD) modernization initiative. This role provides the opportunity to apply hands‑on cybersecurity engineering expertise across complex on‑premises and cloud environments while supporting mission‑critical transportation and logistics operations.

As part of a collaborative cybersecurity team, you will work alongside architects, ISSOs, system administrators, and government stakeholders to implement security controls, strengthen system security posture, and support compliance with Department of Defense cybersecurity requirements.

Responsibilities

• Implement and document Security Technical Implementation Guide (STIG) configurations across assigned systems and platforms
• Conduct Security Impact Analyses (SIAs) for system modifications, upgrades, and enhancements
• Execute automated compliance validation and configuration assessments using SCAP Compliance Checker
• Manage vulnerability identification, tracking, remediation, and reporting activities using Tenable Security Center or similar tools
• Assess cloud infrastructure security posture utilizing Tenable Cloud Security or comparable cloud security assessment platforms
• Support CyberArk Privileged Access Management (PAM) implementation and administration activities
• Develop and maintain secure configuration baselines and system hardening standards
• Author technical security implementation guides and supporting cybersecurity documentation
• Collaborate with engineering and cybersecurity teams to implement and validate security controls
• Support cybersecurity architecture initiatives and technical security implementations

Minimum Requirements

• Active Secret Security Clearance
• 3–5 years of experience in cybersecurity engineering, system hardening, vulnerability management, or information assurance
• Hands‑on experience with STIG Viewer and SCAP Compliance Checker
• Experience using Tenable Security Center (SC) or equivalent vulnerability management solutions
• Strong knowledge of secure configuration management principles and cybersecurity best practices
• Ability to communicate effectively with technical and non‑technical stakeholders
• Strong analytical, troubleshooting, and technical documentation skills
• DoD 8140.03M DCWF Basic Tier Certification; CEH required
• Creativity and adaptability in problem‑solving
• Ability to work with clients to understand their needs
• Strong organizational and time‑management skills
• Excellent written and verbal communication skills
• Professional presence

Preferred Skills

• Experience administering or supporting CyberArk Privileged Access Management (PAM) solutions
• Familiarity with Tenable Cloud Security or similar cloud security assessment tools
• Experience supporting DoD cloud environments (Impact Levels 2–6)
• Experience implementing cybersecurity controls within RMF‑authorized environments
• Knowledge of NIST SP 800‑53, DISA STIGs, and DoD cybersecurity requirements
• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, Information Systems, Software Engineering, Data Science, or a related technical field
• One or more DoD 8140.03M DCWF Intermediate certifications, including CEH Practical (CEH‑P), RCCE Level 1, Cloud+, CPTE, FITSP‑A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+
• Ability to work in a team environment, as well as independently
• Strong customer and vendor relationship skills
• Demonstrated ability to comply with data standards and policies
• Motivation to learn new technologies and methodologies that demonstrate value
• Past experience working with a Federal agency
• Department of War experience is a plus!

Benefits of Working at CSCI

• Competitive salaries
• Generous Paid Time Off (PTO) package
• Paid holidays aligned to the Federal calendar
• Full health benefits including medical, dental, vision, and life insurance
• 401(k) retirement plan
• Team building events
• Professional development support

Equal Employment Opportunity

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. CSCI provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

If you require an accommodation, please contact CSCI Human Resources for further assistance. For questions regarding the qualifications listed above, please contact the CSCI Recruiting Team.

E-Verify

CSCI participates in E-Verify to confirm the employment eligibility of all newly hired employees. For more information, please visit www.dhs.gov/E-Verify.