Information Systems Security Engineer
Information Systems Security Engineer
CACI InternationalStraight from CACI International’s careers page. Apply on the company site — no recruiter, no middleman.
Information Systems Security Engineering (ISSE)
Location: Remote (Any State), Ofallon, IL, US
Department: Cyber Security
Work Location: remote local
Job Title: Information Systems Security Engineering (ISSE)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage 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 nations 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-$158,100CACI 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.
Similar remote jobs
More like this →
CACI International
Oracle Apex Developer (Remote)

CACI International
Oracle EBS-APEX/SOA Developer (Remote)


CACI International
Software Developer (Remote)
Discover More than 100,000 Hidden Remote Jobs Before Everyone Else
Unlock All Remote Jobs Today
Simple pricing. Big savings on Quarterly and Yearly.
Monthly Access
- Instant access to fresh remote jobs from 500+ companies
- New opportunities added hourly, often 3-7 days before anywhere else
- Advanced filtering by role type, stack, pay, and location
- Priority customer support
Yearly Access
- Everything in Monthly
- Save $169 (~74%) vs paying monthly
- Average job search takes ~6 months - get covered for the whole journey
- Less than the cost of one lunch per month for competitive advantage
- Equivalent to just ~$4.92/month