Network Modeling and Simulation Technician

Company: CACI
Location: Sterling
Posted on: April 1, 2026

Job Description:

Job Title: Network Modeling and Simulation Technician Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity : We are seeking an experienced Network Modeling and Simulation Engineer to join our team. The successful candidate will be responsible for developing and executing complex network models and simulations to optimize network performance, capacity, and reliability across various technologies. Responsibilities: Design and develop sophisticated network models for diverse network technologies (e.g., IP/MPLS, optical) Conduct advanced network simulations to evaluate performance metrics, capacity requirements, and scalability Analyze simulation results and provide detailed recommendations for network optimization Develop and implement innovative modeling techniques to improve accuracy and efficiency Collaborate with network architects and engineers to translate simulation insights into practical network designs Contribute to traffic forecasting and network dimensioning methodologies Evaluate and recommend new modeling and simulation tools Mentor junior engineers in modeling and simulation techniques Prepare comprehensive technical reports and presentations for stakeholders Stay current with emerging network technologies and incorporate them into modeling practices Qualifications: Required: Bachelor's degree in Computer Science, Information Technology, or equivalent work experience 5 to 10 years of related work experience Strong understanding of network protocols, architectures, and technologies (e.g., TCP/IP, MPLS, SDN) In-depth knowledge of network protocols, architectures, and technologies across multiple domains Expertise in network simulation tools (NS3, Riverbed Modeler, OPNET, Paragon Planner, etc.) Strong programming skills in languages relevant to network modeling (e.g., Python, C++, MATLAB) Experience with data analytics and visualization tools Proven track record of solving complex network problems through modeling and simulation Excellent analytical and problem-solving skills Strong written and verbal communication skills Ability to work independently and as part of a team TS/SCI with Poly required Desired: Relevant industry certifications (e.g., CCNP, JNCIP) Experience with cloud networking and virtualization technologies Familiarity with machine learning applications in network modeling Experience in large-scale, multi-vendor network environments This position is contingent on funding and may not be filled immediately. However, this position is representative of positions within CACI that are consistently available. Individuals who apply may also be considered for other positions at CACI. 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: $120,800 - $265,800 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, Sterling , Network Modeling and Simulation Technician, IT / Software / Systems , Sterling, Virginia