Network Engineer III
$75.2k - $158.1kCaci Inc
Network Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required: TS/SCI Employee Type: Regular Travel: Up to 10% local Opportunity Team CACI has an exciting and challenging opportunity for a Network Engineer who performs research, requirements analysis, design, installation, documentation, troubleshooting and sustainment of local‑ and wide‑area network hardware and services. The role involves developing system specifications, architecture designs, integration and test plans, and all relevant documentation. It also requires risk management and mitigation strategy development and ensuring compliance with QA standards and service performance indicators. Experience in reviewing mission‑related change requirements such as RFCs and CRQs and determining impacts on transport activities, as well as in complex telecommunications applications, is essential. Responsibilities Focus 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 specifications 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 statements are complete, consistent, concise, comprehensible, traceable, feasible, unambiguous and conform to standards. Manage requirements traceability information and track 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 to ensure performance and availability objectives. Evaluate and report on new/emerging network and communication technologies to enhance capacity, performance and reliability. Evaluate and recommend changes or technology upgrades to address performance, standardization and industry best practices. Follow all customer network security processes and procedures, ensuring compliance with all government policies. Develop and maintain network architecture diagrams. Qualifications Active TS/SCI clearance (ability to obtain and maintain a CI polygraph). Bachelor's degree in a related field or equivalent experience. Minimum 5 years of related technical experience in network and transport technologies. Minimum 5 years of 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 equipment lists and costing. Ability to estimate labor for planning, engineering, procurement, and installation of complex enterprise transport solutions. Understanding of DISA and IC standards and processes. Excellent writing and communication skills, including analytical documents and oral presentations to senior/executive management. Understanding of requirements engineering across hardware/software development life cycles in a team environment. Knowledge of product management concepts and how enterprise network products are positioned and implemented. Proficiency with MS Office Suite – Visio, Word, Excel, PowerPoint. Benefits Culture of integrity and trust, flexible time‑off benefit, robust learning resources, and opportunities for continuous growth. Pay Range $75,200 – $158,100 (based on factors such as location, contract category, experience, skills, education, and certifications). Competitive compensation, benefits, and learning opportunities are offered. CAA 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. #J-18808-Ljbffr CACI International Inc
- CACI International Inc. is seeking a Network Engineer III in St. Louis, MO, to lead network research, design, and implementation. The role demands strong skills in requirements analysis and technical problem-solving to enhance network performance and security compliance...Suggested
- ...December 2023. Compensation provided for using, not obtaining, the rating. Edward Jones is seeking a skilled and motivated Network Engineer III to join our Technology Division. This role is focused on the design, deployment, and engineering support of our enterprise...SuggestedTemporary workWork at officeHome officeFlexible hours
- ...Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite... ...across government systems and networks. The Cyber Security Engineer will collect... ...Preferred Qualifications IAT Level III certification. DoD 8140.01 and DoD 857...SuggestedContract workLocal area
- Team Overview The Engineer III, System Security Engineer plays a key role in protecting the firm’s enterprise computing environment by designing, implementing, and operating foundational security controls across endpoints, operating systems, and device access. This is...SuggestedTemporary workWork at officeHome officeFlexible hours3 days per week
- ...fostering a culture where confidentiality, integrity, and availability of data are foundational to business success. In a Security Engineering role you will be expected to design detections, support capability testing and implementation as well as build deployment...SuggestedTemporary workWork at officeHome officeFlexible hours
$75.2k - $158.1k
## SATCOM Engineer IIISt. Louis, Missouri, United States of AmericaJob Title: SATCOM Engineer IIIJob Category: Information TechnologyTime... ...of Travel Required: Up to 10%Type of Travel: Local\* \* \*Network Engineer III - SATCOM Engineer **The Opportunity** Team CACI has an...Contract workWork experience placementLocal areaFlexible hoursWeekend workAfternoon shift- Asplundh Careers is looking for a Design Engineer III for Substation Engineering in Maryland Heights, MO. In this role, you will contribute to complex energy infrastructure projects while collaborating with diverse teams. You will execute designs for substations and support...
$75.2k - $158.1k
CACI International Inc is seeking a Network Engineer III in St. Louis, Missouri. This role involves performing research, requirements analysis, design, installation, and troubleshooting of network hardware. Candidates should have a minimum of 5 years of experience in large...Flexible hours- A leading defense contractor is seeking a SATCOM Engineer III in St. Louis, Missouri. This role involves the design, implementation, and support of complex telecommunications networks, requiring 8+ years of experience and an active TS/SCI security clearance. Candidates...For contractorsFlexible hours
$80k - $95k
...Project Engineer III/IV - Water/Wastewater Gonzalez Companies is a partner managed firm that provides comprehensive Planning, Design,... ...analysis to optimize water distribution and sewer collection networks. Manage field investigations, site assessments, and construction...For contractorsLocal areaFlexible hours- ...fostering a culture where confidentiality, integrity, and availability of data are foundational to business success. In a Security Engineering role you will be expected to design detections, support capability testing and implementation as well as build deployment...Work at officeWork from homeHome office3 days per week
- ...along with their operating systems and databases? As a Systems Engineer III at Spectrum, you will manage the Application Administration of... ...years of application development work experience 4+ years of network OSS application work experience 3+ years of system...Work experience placementWork at officeLocal areaVisa sponsorship
- ...EFC International is seeking a senior-level Systems Administrator III to join our IT Infrastructure team. This role combines technical... ...support VMware environments and enterprise systems Maintain network infrastructure including routing, switching, and firewalls Administer...
- ...success. Overview The Project Manager III manages and is responsible for the entire life cycle of an Engineering Division project from inception to closure. Also... ...Participates in relevant organizations for networking and professional development. Qualifications...For contractorsFor subcontractorWork at office
- Job Overview EPS Engineering Services, a member of the Asplundh federation of companies, is hiring a Design Engineer III, Substation Engineering for our Maryland Heights, MO location. EPS is a national leader in transmission & distribution engineering, protection & control...Temporary work
$80k - $95k
Gonzalez Companies, LLC is seeking a Project Engineer (III/IV) in Water/Wastewater in St. Louis, MO. The role focuses on the design and oversight of treatment facilities and pipelines, requiring proficiency in hydraulic modeling and AutoCAD. Candidates should hold a Bachelor...- ...'s talk about how you can find your place here at Stifel, where success meets success . What You'll Be Doing The Data Engineer III is responsible for designing, developing, and maintaining data pipelines and infrastructure on the AWS platform. The Data Engineer...
$75.2k - $158.1k
Job Title: Endpoint Security Engineer III Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start:... ...apply technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or...Long term contractFull timeContract workWork experience placementLocal areaFlexible hours- ...System Administrator/Network Engineer Mid-Level to support a Test Control Center for a customer. The Test Control Center hosts a testing and engineering environment, with multiple test configuration baselines that mimics the operational National System for Geospatial...For contractors
- Responsibilities The Data Engineer III is responsible for designing, developing, and maintaining data pipelines and infrastructure on the AWS platform. The role includes data ingestion, transformation, storage, sharing, consumption, and implementing data security and privacy...
- Data Engineer III Date: May 3, 2026 Location: Birmingham, AL, US, 35203; Saint Louis, MO, US, 63101 Company: Spire Inc. Company Overview We are committed to understanding the needs of the homes and businesses we serve. That's why we're always looking for driven, collaborative...Work experience placementFlexible hours
- A leading engineering firm is seeking a Process Engineer III to lead design efforts for projects in St. Louis, Missouri. You will manage scope, budget, and schedule while communicating with clients and stakeholders to ensure successful project outcomes. The ideal candidate...
- ...Senior Firewall Engineer This position is for a Senior Firewall Engineer performing support for data networks, with an emphasis on administration, provisioning, and support of firewall rules and infrastructure on Palo Alto NGFW and related technologies. Some Cisco...Work experience placement
$74.34k - $87k
...Network Provisioning Engineer Segra is searching for a qualified and experienced Network Provisioning Engineer to join us in a full-time capacity in one of our Segra offices. Shift Details: Must be available to work Monday through Friday, 12:00 PM - 9:00 PM EST...Full timeWork at officeImmediate startRemote workMonday to FridayFlexible hoursShift workAfternoon shift2 days per week- ...Incident Response Network Engineer 6+ month with potential to Convert or Extend Location: Remote - Must reside in US This person will be an escalation point for our SSL certificate requests. They won't necessarily be on the forefront of request fulfillment...Remote work
- ...Title: Network Engineer Location: St. Louis, MO Duration: 3 months with extensions Requirement: •4-6 years experience •Must have excellent communication Skill. •Customer has a WAN issue that is affecting voice quality. •The provider is Windstream...
$100k - $122k
...Position Overview The IT Network Engineer is a hybrid position, located in Creve Coeur, MO and is responsible for designing, implementing, and maintaining secure, scalable, and highly available network infrastructure across WAN, Data Center, and Cloud environments...Remote work$86.21k - $125.06k
...Segra is searching for a qualified and experienced Network Sustainment Engineer to join us in a full-time capacity. Location Requirement: This work arrangement for this role is a hybrid position, requiring three (3) days in the office, with flexibility to...Full timeWork at officeImmediate startRemote workFlexible hours2 days per week- ...Technology is a St. Louis-based Cyber Security, Information Technology, and Managed Services provider. We are seeking a Senior Network Engineer to join our St. Louis-based team. This is a client-facing role in which you will lead technical strategy and service delivery...Full timeWork at office
- ...Network Engineer Operation The Network Engineer Operation role involves designing, implementing, and maintaining network infrastructure to ensure optimal performance, security, and scalability. This position requires collaboration with various teams to support business...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Network Engineer III. Be the first to apply!
- network engineer full time Saint Louis, MO
- network implementation engineer Saint Louis, MO
- juniper network engineer Saint Louis, MO
- network consulting engineer Saint Louis, MO
- wireless network engineer Saint Louis, MO
- cisco ccnp network engineer Saint Louis, MO
- network engineer level Saint Louis, MO
- network infrastructure engineer Saint Louis, MO
- network engineer - lan/wan Saint Louis, MO
- core network engineer Saint Louis, MO

