Computer Systems Engineer Jobs in Pennsylvania (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: Continental US Anticipated Posting End: 12/31/2026 The Opportunity: This position is for a Systems Engineer in either Aurora, CO or King of Prussia, PA. You will be working closely with a talented team to deliver a complex software application into operations. You will play a critical role in the development and integration of software systems by applying model-based approaches to define, analyze, and manage system requirements and designs in an Agile software development context Responsibilities: Develop and maintain system architecture and design models using MBSE tools and methodologies Manage requirements lifecycle including creation, traceability, flow-down, allocation, and compliance matrices across distributed teams Decompose system requirements and collaborate with multi-disciplined teams to generate efficient and scalable solutions Develop and execute verification and validation activities including test procedures, model simulations, and formal verification events Support trade studies, impact analyses, and design reviews with digital artifacts Participate in program milestone events including customer meetings, government testing events, and discrepancy review boards Generate technical documentation including test results, verification reports, and design validation artifacts Qualifications: Required: Active TS/SCI clearance Bachelor's degree in Systems Engineering, Computer Science, or related engineering discipline Minimum 3+ years of systems engineering experience with at least 1 year applying Model-Based Systems Engineering (MBSE) principles Working knowledge of SysML and proficiency with MBSE tools (e.g., Cameo Systems Modeler or equivalent) Demonstrated experience in requirements management including development, traceability, flow-down, and verification planning across system lifecycle Experience developing test procedures and verification artifacts to validate system requirements Knowledge of Agile/Scrum development methodologies and experience working in cross-functional teams Strong communication skills with ability to collaborate effectively across distributed teams in fast-paced environments Desired: OMG SysML Model Builder Fundamental or OMG SysML Model User certification Experience with advanced MBSE capabilities including model integration, system simulation, and digital engineering workflows Proficiency with requirements management tools (e.g., DOORS, DOORS Next Generation, or equivalent) Experience with modeling frameworks such as UAF (Unified Architecture Framework) or Magic Grid Knowledge of scripting or automation for requirements verification, model validation, or test automation Experience with software-defined interfaces and data formats (XML, JSON, YAML) for interface specifications Familiarity with cloud architectures, containerization, and deployment requirements for US DoD environments Experience supporting government testing events, Site Acceptance Testing (SAT), and formal verification processes Domain knowledge in SATCOM, GEOINT, or related mission systems IAT Level II or III certification (e.g., CompTIA Security+, CISSP, or equivalent) Experience with GitLab, Jira, Confluence, or similar Agile collaboration and DevOps tools Demonstrated ability to balance technical requirements with business needs and contribute to strategic decision-making - 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: $69,100-$141,500 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.