Network Systems Engineer (2026-0250)

We are currently seeking a Network Systems Engineer with a TS/SCI w/ Polygraph to design, develop, and optimize high-performance, scalable on-premise systems and cloud networking solutions. Troubleshoot and debug complex distributed systems, ensuring seamless systems and cloud connectivity for our customers.  Work across the full development lifecycle—design, implement, test, deploy, and monitor critical services. Continuously improve performance, security, and reliability in a cloud-native environment.  Frequently develop scripts to automate non-traditional, complex tasks for business unit. Configure, and manage routing and switching infrastructure to support a highly available, scalable network environment. Automate network provisioning and configuration using scripting tools such as Python and Ansible to ensure operational efficiency and scalability.

Technical Skills:

• 6+ years professional experience engineering solutions and supporting carrier grade, IP based ISP, Webscale, and data center network environments.
• 6+ years of software engineering experience, ideally in cloud services or network-related development using Python, Java or other languages.
• 6+ years of experience designing or provisioning virtual cloud networks.
• Advanced experience with internet routing protocols and concepts, including but not limited to IP, BGP, iBGP, EGP, MPLS, IS-IS, OSPF, IPSEC, & NAT and Linux networking stacks.
• Advanced experience in capacity management, traffic engineering, and performance optimization including network operating systems including Cisco IOS/NX-OS, PAN-OS, Arista EOS, etc.
• Advanced knowledge of configuring network switches for throughput performance and redundancy.
• Advanced level knowledge of IP addressing, CIDR , and RFC 1918 strategy and implementation best practices and ability to perform protocol and packet analysis of traffic flows.
• Working understanding of Python, Ansible, Chef, Docker, JSON, REST and Yaml.
• Experience with Agile methodologies and Scrum.
• Experience operating in a Linux/Unix environment.
• Experience with distributed systems or hybrid cloud environments. 
• Experience with Python and Java — C/C++ or Bash scripting is a plus
• Understanding of Software Development (SDLC) and Network life cycle management (LCM) programs including an ability to create and maintain detailed technical documentation of network and cloud system designs, configurations, and methods of procedure.

 Soft Skills:

• Demonstrated experience in applying critical thinking to challenges and tasks
• Desire to learn and learn quickly
• Able to work in extremely small teams where not all aspects of the project are known and where little direction may be available
• Quality deliverables under pressure/quick turnaround timelines – while able to adhere to overarching Corporate guidelines / parameters – ie. find unique ways to work within those guidelines to deliver
• Keen understanding and respect for need to know
• Self-driven, detail-oriented, and comfortable working in an agile, fast-moving team. 

Acclaim Technical Services (ATS), founded in 2000, is a premier provider of tech-enabled solutions and operational services to a broad range of U.S. Federal agencies. As an Employee Stock Ownership Plan (ESOP) company—an uncommon advantage in our sector—we foster a culture of ownership, accountability, and shared success. This commitment to our people shows: ATS is consistently recognized as a top workplace in the DC area and continues to experience strong, strategic growth.

Salary Transparency: There are many 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 employee owners value the flexibility at ATS that allows them to balance quality work and their personal lives. We offer competitive compensation, career growth, benefits and learning and development opportunities. Our broad mix of exceptional benefits options is designed to support and protect employees and their families. At ATS, you will be eligible to participate in a comprehensive benefits package such as healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more at Employee Resources

EQUAL EMPLOYMENT OPPORTUNITY (EEO) STATEMENT: ATS is committed to a program of equal employment opportunity without regard to race, color, ethnicity, national origin, ancestry, citizenship, sex, pregnancy, marital status, sexual orientation, age, religion/creed, hairstyles and hair textures, handicap/disability, genetic information/history, military/veteran status, or any other characteristic or condition protected by applicable law. We support the employment and advancement in employment of individuals with disabilities and of protected veterans, and we treat qualified individuals without discrimination on the basis of their physical or mental disability or veteran status.