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Information Systems Security Engineering (ISSE)

CACI
  • O'fallon, Illinois
    3 days ago

    Job Description

    Job Title: Information Systems Security Engineering (ISSE)

    Job Category: Information Technology

    Time Type: Full time

    Minimum Clearance Required to Start: Secret

    Employee Type: Regular

    Percentage of Travel Required: Up to 10%

    Type of Travel: Local

    * * *

    The Opportunity:

    Step into a hands‑on security engineering role where you will work across a dynamic mix of on‑premise and cloud DoD environments. This position offers the chance to apply and grow your technical skills while collaborating closely with expert GRC, operations, and architecture teams. You will build deep mastery in STIG compliance, vulnerability management, and PAM security—while developing a powerful technical toolkit using STIGviewer, SCAP, Tenable, and CyberArk. With dedicated mentorship and exposure to complex engineering challenges, this role provides a strong pathway toward senior security engineering positions.


    Responsibilities:

    • Implement and document STIG configurations across assigned systems and platforms

    • Conduct Security Impact Analyses (SIAs) for proposed changes

    • Run automated configuration validation using SCAP Compliance Checker

    • Manage vulnerability tracking and remediation workflows within Tenable SC

    • Evaluate cloud infrastructure security posture using Tenable Cloud Security

    • Support CyberArk PAM setup and privileged access management

    • Create and maintain secure configuration baselines

    • Write detailed technical security control implementation guides

    • Partner with the Cybersecurity Architect on technical security implementations


    Qualifications:

    Required: 

    • Active Secret or TS clearance

    • 3–5 years of security engineering or system‑hardening experience

    • Hands‑on experience with STIGviewer and SCAP Compliance Checker

    • Working experience with Tenable SC or similar vulnerability management platforms

    • Strong knowledge of secure configuration management principles

    • DoD 8140.03M DCWF Basic Tier: CEH
    • DoD 8140 Interim Education Options


    Desired:

    • Experience administering CyberArk PAM

    • Familiarity with Tenable Cloud Security or comparable cloud assessment tooling

    • Exposure to DoD cloud environments (IL2–IL6)

    • DoD 8140.03M DCWF Intermediate Tier—one of the following: CEH(P), RCCE Level 1, Cloud+, CPTE, FITSP‑A, GCED, GCIH, GCSA, GICSP, GSEC, PenTest+, or Security+
    • Bachelor’s degree in Cybersecurity, Computer Science, Data Science, Information Systems, Information Technology, or Software Engineering

    -


    What You Can Expect:

     A culture of integrity.

    At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

    An environment of trust.

    CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

    A focus on continuous growth.

    Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.


    Pay Range:

    There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.

    Since this position can be worked in more than one location, the range shown is the national average for the position.

    The proposed salary range for this position is:

    $75,200-$158,100

    CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

    Numbers & Facts

    LocationO'fallon, Illinois
    IndustryComputer/IT Services
    Year Founded1962
    Websitehttp://www.caci.com/

    About Company

    CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit .

    We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

    Skills

    • Cloud Computingunmatched
    • CompTIA Security+unmatched
    • Comparative Analysisunmatched
    • Computer Scienceunmatched
    • Computer Securityunmatched
    • Configuration Managementunmatched
    • Data Scienceunmatched
    • Federal Contractsunmatched
    • Federal Governmentunmatched
    • GCIH - GIAC Certified Incident Handlerunmatched
    • GSEC - GIAC Security Essentials Certificationunmatched
    • Government Contractsunmatched
    • Information Systems Security Engineering (ISSE)unmatched
    • Information Technology & Information Systemsunmatched
    • Information Technology Softwareunmatched
    • Internet Securityunmatched
    • Machine Toolunmatched
    • Mentoringunmatched
    • Safety/Work Safetyunmatched
    • Secret Clearanceunmatched
    • Security Analysisunmatched
    • Security Architectureunmatched
    • Software Engineeringunmatched
    • Team Playerunmatched
    • Top Secret Clearanceunmatched
    • United States Department of Defense (DoD)unmatched
    • Willing to Travelunmatched

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