31 messaging engineer jobs at 26 companies in Frederick, MD
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Lead Software Engineer, Messaging Dispatch
McLean or New York City
$197k-$246k/yrOnsiteFull Time
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years professional software engineering, 1+ year cloud experience (AWS/Azure/GCP). Experience with Java/JavaScript/Python/Go, cloud infrastructure, AI/LLMs, and leading teams is preferred.
Java, JavaScript, Python, Go, TypeScript, SQL, AWS, Microsoft Azure, Google Cloud, Dataflow, AWS Glue, Databricks, Claude Code, LLMs
Washington or Baltimore or Frederick or Annapolis Junction
$145k-$165k/yrHybridFull Time
Brandes Associates: Provides engineering, software, and program support to defense agencies.
5+ YOE5+ years in a customer-facing technical role; Java and Linux expertise; DoD/8140 qualifications; security clearance; bachelor’s in a technical field; DoD/DoD messaging experience.
Java, Linux, Bash scripting, SQL, Web servers (Jetty/Apache/IIS), Networking, PKI/certificates, Release management, DoD messaging
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
8+ YOE8+ years software/systems integration experience with Java microservices, API/event-driven messaging, AWS production deployments, and integration of peripherals; Top Secret SCI required.
11+ YOETop Secret/SCI with polygraph required, 11+ years experience, Bachelor's/Master's preferred, expertise with Google Cloud/Azure/AWS, Linux, VPC/VMs, firewalls, switches, routers, IPS, VPNs, commercial messaging and Android devices, and ability to troubleshoot after hours/weekends.
San Francisco or New York City or Seattle or Boston or Los Angeles or Chicago or Washington or United States
$145k-$230k/yrHybridFull Time
Scribe: Automatically documents digital workflows into step-by-step process guides.
Deep PostgreSQL and ORM expertise, experience with CDC pipelines (AWS DMS), OpenSearch, Redis, message brokers, observability tools, Python/Go automation, Terraform/IaC, and building reliability/scale for data tiers.
Clarity Innovations: Provides software and data engineering for national security missions.
5+ YOE5+ years in data transport/messaging, ETL/ELT pipelines, distributed systems; TS/SCI with CI Poly eligibility; US citizenship; Bachelor’s degree in CS/Engineering or related field.
Kafka, RabbitMQ, Kubernetes, ETL/ELT, Data Lake, CI/CD, Secure transfer protocols
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
7+ YOEMinimum 7 years systems engineering experience supporting secure enterprise infrastructure; Security+ (or equivalent); experience with servers, virtualization, storage, endpoints, databases, and messaging; strong troubleshooting, documentation, and collaboration skills for classified or sensitive federal environments.
Integrated Computer Solutions: An IT services providing enterprise and mission IT solutions for government clients.
5+ YOEPublic Trust clearance and 5+ years supporting enterprise application infrastructure, with experience in messaging, proxy, DNS, authentication, remote support, monitoring, troubleshooting, and incident response.
CACINYSE: CACI: Provides information technology and professional services to government clients.
Bachelor's in CS/IT or related, ability to qualify for TS clearance and obtain FS Poly, experience with object-oriented and functional programming, Java ecosystem, messaging, web services, Linux, automated testing, and build tools; up to 25% travel.
T. Rowe PriceNASDAQ: TROW: Provides global investment management and retirement planning services.
5+ YOE5+ years in infrastructure operations and messaging platforms; strong expertise in Microsoft Exchange (Online and on-prem), IronPort, Teams, M365/Entra ID; ability to lead projects and mentor engineers.
Microsoft Exchange, IronPort, Microsoft Teams, Microsoft 365 Copilot, Entra ID, Mobile Device Management, DLP
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Experience in C++ and Java, gRPC and pub/sub messaging (AMQP/CORBA), Kubernetes and Helm, Linux and shell scripting, JSON/YAML, GitLab; active Secret clearance and US citizenship required.
Zetier: Independent software developer focused on secure systems.
5+ YOE5+ years building production full-stack apps; proficient with React/Angular/Vue; strong TS/JS and UI; Python backend; REST; databases; message brokers; distributed teams; active U.S. security clearance.
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
7+ YOEBachelor's in CS or related plus 7+ years software development; 7 years experience with Java, Node.js, Springboot, J2EE, Oracle PL/SQL, BPM, DevSecOps/CI/CD, test automation, API gateways, GCP, messaging and microservices in OSS/BSS domain.
SageCor Solutions: Provides engineering services for the intelligence community.
5+ YOEActive TS/SCI with Polygraph required. Master's +5 years or Bachelor's +7 years or 9 years SWE experience. Experience with Linux CLI, Bash/Python, Java, Spring (Boot/Data/Integration), MongoDB, Docker/containerd, Kubernetes, Helm Charts, messaging (RabbitMQ/Kafka), CI/CD (Bamboo/GitLab CI), Ansible, and Git.
Linux CLI, Bash, Python, Java, Spring Framework, Spring Boot, Spring Data, Spring Integration, MongoDB, Docker, containerd, Kubernetes, Helm Charts, RabbitMQ, Kafka, Bamboo, GitLab CI, Ansible, Git, Loki, Atlassian Tool Suite, Jira, Confluence
Senior Software Engineer, C++ Software Integration (R4021)
Washington, District of Columbia, United States
$123k-$185k/yrOnsiteFull Time
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
5+ YOE5+ years in related roles; strong C++ (14/17/20) and Python; Linux; CI/CD; distributed real-time systems; API/messaging (gRPC/REST/ZeroMQ); security clearance (Secret).
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
5+ YOERequires active Top-Secret clearance, STEM degree, 5+ years software development experience (Level 3) or 8+ years (Level 4); Python/C++/Bash experience, mission-planning tool design, GUI and API development, and integration with message-bus systems.
Python, C++, Java, Bash, PostgreSQL, Qpid, gRPC, Protocol Buffers, Qt, Elixir, Docker, Kubernetes, Red Hat Enterprise Linux, Microsoft Windows, Flask, Django, Plotly, D3, Kafka, RabbitMQ