Systems Engineer Jobs in O Fallon, MO (NOW HIRING)

Job Title: Systems Engineer Job Category: Engineering 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: We are seeking a highly motivated Systems Engineer to join our Information Technology team. This role is responsible for the design, development, and implementation of complex system architectures that support mission, operational, and business objectives. The Systems Engineer will apply interdisciplinary engineering principles to define system capabilities, performance requirements, interfaces, and implementation approaches across a broad range of technologies and engineering domains.

The successful candidate will work closely with technical teams, stakeholders, and subject matter experts to develop integrated solutions that may encompass information technology, hardware, communications, cybersecurity, electrical, and other engineering disciplines. This position requires a strong systems-thinking mindset and the ability to translate mission requirements into scalable, supportable, and technically sound architectures. Responsibilities: Design and develop end-to-end system architectures that satisfy mission, operational, technical, and business requirements.

Define system capabilities, performance requirements, and technology maturity constraints for complex solutions and products. Develop system element architectures, interface definitions, and integration strategies. Establish system implementation approaches, operational concepts, and technical roadmaps.

Create and maintain architectural models, frameworks, and engineering artifacts supporting current and future system development efforts. Analyze requirements and allocate functionality across hardware, software, network, communications, cybersecurity, and other system components. Evaluate technical alternatives, identify tradeoffs, and recommend architectural solutions.

Ensure system designs comply with applicable standards, regulations, security requirements, and organizational policies. Collaborate with multidisciplinary engineering teams, program managers, and stakeholders throughout the system lifecycle. Provide technical leadership and guidance to engineers and developers implementing system architectures.

Support technology evaluations, prototyping efforts, and technology maturation activities. Conduct system architecture reviews, design reviews, and technical assessments. Develop and maintain documentation including system specifications, architecture diagrams, interface control documents, and operational concepts.

Identify technical risks and develop mitigation strategies. Support system integration, testing, deployment, sustainment, and modernization activities. Qualifications: Required: Bachelor's degree in Systems Engineering, Computer Engineering, Electrical Engineering, Aerospace Engineering, Computer Science, Information Technology, or a related technical discipline.

5+ years of experience in systems engineering, systems architecture, solution architecture, or related engineering roles in AWS and Linux environments. Experience developing complex system architectures across multiple technology domains. Knowledge of systems engineering principles, methodologies, and lifecycle processes.

Experience translating customer, mission, or operational requirements into technical solutions. Familiarity with systems integration, interface management, and requirements traceability. Experience developing architectural artifacts, models, and technical documentation.

Strong analytical, problem-solving, and critical-thinking skills. Excellent written and verbal communication skills. Ability to work effectively in multidisciplinary engineering environments.

Ability to obtain and maintain a Top Secret with CI Polygraph security clearance. DoD 8140.01 / DoD 8570.01 M IAT Level II certification prior to start date. Desired: Master's degree in Systems Engineering or a related engineering discipline

Experience supporting government, defense, aerospace, intelligence, or critical infrastructure programs. Knowledge of Model-Based Systems Engineering (MBSE) methodologies and tools. Experience with architecture frameworks such as DoDAF, UAF, TOGAF, or similar frameworks.

Familiarity with systems modeling tools such as Cameo Systems Modeler, MagicDraw, Sparx Enterprise Architect, or equivalent. Understanding of cybersecurity engineering and secure system design principles. Experience with cloud, hybrid-cloud, edge computing, or distributed system architectures.

Knowledge of communications systems, networking technologies, or embedded systems. Professional certifications such as INCOSE ASEP/CSEP/ESEP, TOGAF, AWS Solutions Architect, or similar credentials. - 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: $82,100-$172,400 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.