Description PLEX Solutions, A Part of Markon is looking for Software Development Engineers. This work maybe performed in Arlington, VA, (OR) Herndon, VA (OR) Jessup, MD depending on the location that works best for the candidate. Qualifications • Active TS/SCI W/ Polygraph is required • Minimum of 7+ years of experience in software development and related engineering experience • Design and develop backend services and APIs in Rust for a cloud-based platform that manages fleet lifecycle operations including provisioning, configuration, monitoring, firmware updates, and policy enforcement across multiple high assurance devices. • Architect and implement authentication and authorization frameworks for secure device-to-cloud communication. • Demonstrate advanced networking expertise including TCP/IP protocols, routing, subnetting, VPN architectures, load balancing strategies, DNS management, and network security controls such as firewalls, security groups, and network segmentation for secure cloud and on-premises environments. • Build highly available, scalable service components for telemetry ingestion, health monitoring, configuration distribution, and alerting across a distributed device fleet. • Develop and maintain CI/CD pipelines for automated unit, integration, and end-to-end testing of cloud-to-device interactions. • Familiarity with AWS networking services, tools, infrastructure as code and CDK development • Experience designing, implementing, and maintaining AWS cloud architectures with a strong understanding of cloud-native design patterns, service integration, and operational best practices. • Experience with Rust application development • Experience with computer and memory optimized application development Salary Range USD $120,000.00 - USD $200,000.00 /Yr.The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. Overview Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions. At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work. Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services. Markon values people and the tremendous impact each individual can make – which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters – bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact. Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled. Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays.