Tier 1 Operations Engineer – ECDS

Company: CACI
Location: Saint Louis
Posted on: April 2, 2026

Job Description:

Job Title: Tier 1 Operations Engineer – ECDS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * The Opportunity: The TCS team is looking for a Tier 1 Operations Engineer to work on Enterprise Cross-Domain Systems and associated projects. These systems provide reliable data transfers between domains for general users and programs. In this role, you will be responsible for providing first-line support to our customers and internal teams, ensuring smooth and uninterrupted service delivery. You will troubleshoot and resolve a wide range of technical issues, identify and escalate critical incidents, and contribute to the overall operational efficiency of our systems. Responsibilities: • Provide first-line technical support: Respond promptly to customer inquiries and resolve technical issues via phone, email, and chat. • Troubleshoot and diagnose problems: Identify and resolve a variety of technical issues related to operating systems, applications, network connectivity, hardware, etc. • Monitor system performance: Regularly monitor system performance metrics and proactively identify and address potential issues. • Document and maintain knowledge base: Create and maintain comprehensive documentation of troubleshooting procedures, known issues, and resolutions. • Escalate critical incidents: Identify and escalate critical incidents to higher-level support teams as needed. • Participate in on-call rotations: Provide 24/7 on-call support on a rotating basis. • Contribute to process improvement: Identify opportunities to improve operational efficiency and streamline support processes. • Stay current with industry trends: Keep abreast of the latest technologies and best practices in IT operations. Qualifications: Required: • 10 years of relevant experience. • Bachelor’s Degree in a Technical field (i.e. Information Technology, Information Systems, Computer Science) • DoD 8140.01 / DoD 8570.01-M.IAT Level II Certification • Active TS/SCI Clearance (must obtain a CI Poly within 6 months of start date) (US Citizenship required) - 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. The proposed salary range for this position is: $90,300-$189,600 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.

Keywords: CACI, Springfield , Tier 1 Operations Engineer – ECDS, IT / Software / Systems , Saint Louis, Illinois