PLEX Solutions
Posted 1mo ago

Software Development Engineer

PLEX Solutions
Arlington or Herndon or Jessup
$120k-$200k/yrOnsiteFull Time
Responsibilities
  • designing backend
  • implementing auth
  • building pipelines
Requirements
  • Active TS/SCI with polygraph required
  • 7+ years software development experience
  • Rust and AWS experience
  • Strong networking knowledge
  • CI/CD and cloud architecture skills
Technical tools mentioned
RustAWSCDKCI/CD

Job description

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.

About PLEX Solutions

Government consulting firm specializing in management and technical services.

Similar jobs

Software Development Engineer roles near Arlington, Virginia
21h
Save
Mark Applied
Hide
Senior Software Development Engineer, AWS SecDevOps
Seattle or Arlington or Herndon
$168k-$227k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
5+ YOERequires 5+ years of professional software development, programming, system design or architecture, and engineering leadership. Mentoring or team leadership experience required; bachelor's degree preferred.
AWS, Java, TypeScript, React, Python, SQL, Security Orchestration, Automation, and Response (SOAR), Generative AI
1d
Save
Mark Applied
Hide
Software Development Engineer
United States or Alaska or Mississippi or North Dakota or Virginia or California or Seattle or New York City or Hawaii or Illinois or Massachusetts or New Hampshire or Oregon or Washington or Texas or Washington or Santa Clara or San Francisco or Los Angeles or Kirkland
$86k-$167k/yr RemoteFull Time
GoDaddy
GoDaddyNYSE: GDDY: Publicly traded domain registrar and web-hosting serving entrepreneurs and small businesses.
2+ YOERequires 2+ years of software engineering experience and 2+ years with Python, JavaScript, React, and Node.js, plus scalable applications, DevOps, CI/CD, AI/ML infrastructure, and production systems experience.
JavaScript, Python, React, Node.js, GitHub Actions, Docker, AWS, Webpack, Artifactory, OpenAI, Anthropic, Google, AWS ECS, GitHub, LLMs, RAG
3d
Save
Mark Applied
Hide
Senior Software Development Engineer (US Federal)
Reston, Virginia, United States
$164k-$246k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Enterprise cloud applications for finance and human resources.
5+ YOE5+ years in large-scale cloud infrastructure, DevOps, and software development; Kubernetes, AWS, Terraform, CI/CD, programming, security compliance, and strong communication skills required.
Kubernetes, Terraform, Argo CD, C#, Python, Ruby, Rust, Go, Amazon Web Services, CI/CD
3d
Save
Mark Applied
Hide
Agentic AI and LLM Applications Software Development Engineer, Senior
Washington, District of Columbia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
7+ YOE7+ years of software engineering experience, Python and another backend language, cloud and CI/CD experience, backend systems knowledge, and a bachelor's degree in Computer Science or Software Engineering.
Python, AWS, GCP, Azure, CI/CD, RAG, OpenAI GPT, Anthropic Claude, Google Gemini, MCP, A2A
5d
Save
Mark Applied
Hide
Software Development Engineer II – CI/CD & Platform Automation (Mission-Focused)
St. Louis or Redlands or St. Louis or Washington or Vienna
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Global leader in geographic information system (GIS) software.
2+ YOERequires 2+ years in DevOps, CI/CD, or platform automation; CI/CD pipeline, YAML, scripting, infrastructure automation, Docker, cloud, and secure build experience; U.S. citizenship, active or recent Top Secret clearance with SCI eligibility, and a bachelor's degree.
GitHub Actions, Azure DevOps, Jenkins, Docker, Python, Conda, Rust, YAML, JavaScript, Ansible, AWS CDK, Terraform, S3, Blob Storage, Kubernetes, SAST, DAST, Agile, Scrum
6d
Save
Mark Applied
Hide
Software Development Engineer, Prin
Frederick, Maryland, United States
$165k-$190k/yr OnsiteFull Time
WSC, Inc.
WSC, Inc.NYSE: CW: Provider of highly engineered products, solutions, and services.
15+ YOEBachelor’s or Master’s in computer science, software engineering, or related discipline; 15+ years of progressive software development experience; expert architecture, coding, debugging, troubleshooting, leadership, and communication skills.
Fortran, RELAP, MARS
1w
Save
Mark Applied
Hide
Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
Verizon
VerizonNYSE: VZ: Leading global provider of telecommunications and technology services.
6+ YOEBachelor's degree or 4+ years' experience and 6+ years of relevant experience. Requires Java, Spring Boot, JavaScript/TypeScript, React, distributed systems, APIs, and software architecture expertise.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, Git, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
1w
Save
Mark Applied
Hide
Senior Software Development Engineer - Fullstack
McLean or Mountain View
$191k-$231k/yr OnsiteFull Time
ID.me
ID.me: Private American digital identity wallet and identity-verification helping people securely access government, healthcare, and commercial services.
7+ YOEBachelor's or master's degree in computer science, engineering, or related field, or equivalent experience; 7+ years full-stack development, backend language, and frontend production experience.
Python, Go, Java, Angular, React, TypeScript, PostgreSQL, Kafka, SNS, SQS, Claude Code, REST, GraphQL