Network Engineer III
Caci, LLC - Commercial
St. Louis, MO · Posted October 6, 2026
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Where St. Louis, MO ranks
Where St. Louis, MO placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #9Best all-round cities for new graduates in the Midwest52 / 100 · of 20
- #9Cities hosting the most business conferences in the Midwest8 conferences · of 12
- #9Cities hosting the most legal services conferences4 conferences · of 17
- #11Best cities for government pay after cost of living$123k · of 18
- #11Best cities for entry-level jobs that want AI skills in the Midwest4% · of 52
- #12Best all-round cities for remote workers in the Midwest42 / 100 · of 20
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among network and computer systems administrators, AI is already used for a large share of the tasks. Measured exposure for network and computer systems administrators: 34% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
Caci, LLC - Commercial has filed one layoff notice in the last twelve months, covering 75 workers, most recently June 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
Job Title: Network Engineer III
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: Team CACI has an exciting and challenging opportunity available for a Network Engineer who performs research, requirements analysis, design, installation, documentation, troubleshooting, and sustainment of local- and wide-area network hardware and services. Develops system specifications, architecture designs, integration and test plans, and all relevant documentation. Develops risk management and mitigation strategy. Maintain compliance with QA standards as well as ensuring service performance indicators are met or exceeded. Experience in reviewing Mission related change requirements such as Requests for Change (RFCs) and approved Change Requests (CRQs) and determining impacts on Transport activities across the Enterprise while providing Technical solutions and cost impacts. Experience in complex telecommunications applications involving all phases of telecommunications network design, implementation, and analysis.
Responsibilities: • Focus will be on Requirements Analysis, Development and Implementation • Engineer and implement solutions for Projects based on customer Change Requests • Serve as the technical representative for assigned projects. • Provide recommendations on newly submitted actions items. • Coordinate issues with the appropriate owners/organizations. • Provide concurrence on decisions or recommendations by assigned suspense. • Elicit requirements using interviews, document analysis, surveys, site visits, scenarios, business analysis and test/workflow analysis. • Write requirement specs according to standard templates. • Decompose high-level business and user requirements into functional requirements. • Represent requirements using alternative views, such as analysis models (diagrams). • Perform requirement analysis and verification, ensuring requirement statements are complete, consistent, concise, comprehensible, traceable, feasible, unambiguous, and they conform to standards. • Manage requirements traceability information and track requirements status throughout the review process. • Identify requirement errors and defects and write response statements to appropriate owners/organizations. • Support network traffic analysis and bandwidth optimization efforts to ensure attainment of performance and availability objectives. • Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance and reliability of the network. • Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices • Follows all Customer network security processes and procedures, ensures compliance with all Government policies. • Develop and maintain network architecture diagrams.
Qualifications:
Required: • Security Clearance: Active TS/SCI (Ability to obtain and maintain a polygraph) • Bachelor's degree in a related field or equivalent experience in lieu of a degree.
• Minimum 5 years of related technical experience in Network and Transport technologies, tools, and techniques • Minimum 5 of years' experience with large-scale enterprise/global networks in a high paced diverse environment • Ability to work independently with little direction and guidance • Experience with Network design, engineering, and implementation (Advanced Level) Creation of network related Rough Order Magnitude (ROM) equipment lists and costing • Ability to estimate labor needed to complete planning, engineering, procurement, and installation of complex Enterprise Transport solutions • Understanding of DISA and IC standards and processes • Excellent writing and communication skills, including the ability to develop analytical documents and present oral presentations to senior/executive management • An understanding of how to practice requirements engineering according to several hardware/software development life cycles in a team environment. • Knowledge of product management concepts and how Enterprise network products are positioned and implemented • Proficient is MS Office suite – Visio, Word, Excel, PowerPoint
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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: $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.