UNKNOWN

FEED

ResponsibilitiesInstall, configure, and maintain Linux operating systems and serversMonitor system performance, reliability, and security; respond to alerts proactivelyTroubleshoot system, application, hardware, and network-related issues on Linux platformsDevelop and maintain automation scripts using Bash, Python, or similar languages to streamline tasksPerform regular updates, patching, and system hardening to maintain security postureImplement backup, recovery, and disaster‑recovery procedures for Linux environmentsCollaborate with network engineers and other infrastructure teams to ensure seamless integration and high availability of systemsMaintain documentation related to system configurations, troubleshooting processes, and operational proceduresSupport users and administrators by providing technical guidance and resolving Linux-related issuesManage critical infrastructure services (e.g., DNS, DHCP, LDAP, NTP, mail relays) within Linux environmentArchitect and maintain scalable, highly available Linux infrastructures across physical, virtual, and cloud environmentsDeploy and manage containerization and orchestration solutions such as Docker and KubernetesConduct vulnerability scanning, security audits, and enforce access controls using SELinux or similar toolsPerform root‑cause analysis for complex issues involving networking, storage, or application performanceBasic Cisco networking managementQualificationsTypically requires bachelor’s degree or equivalent, and at least 7 years of related experience. Must have a current TS/SCI security clearance with polygraphCCNADesiredCore Technical QualificationsStrong understanding of Linux operating systems, distributions, file systems, kernel concepts, and system architectureProficiency in Linux system administration, including installation, configuration, maintenance, performance tuning, and troubleshootingAbility to design, configure, and test Linux servers and operating systemsAdvanced scripting skills (Bash, Python, Perl) for automation and system efficiencyExperience with configuration management tools such as Ansible, Puppet, Chef, or similar platformsSolid knowledge of networking protocols, services, and security hardening (DNS, DHCP, firewalls, routing, etc.)Familiarity with cloud platforms (AWS, Azure, GCP) and hybrid infrastructure environmentsAbility to monitor and maintain system health, performance, and security events across Linux environmentsSecurity & Compliance QualificationsImplementing security measures, patching, vulnerability remediation, and systems hardening.

YEAR

CACI provides information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. A member of the Fortune 1000 Largest Companies, the Russell 2000 Index, and the S&amp;P SmallCap 600 Index, CACI provides dynamic careers for over 15,800 employees working in over 120 offices worldwide. Visit <a href="http://www.caci.com" target="_blank" itemprop="url" mns_rt="Company">www.caci.com</a>. 
 
 We strive to sustain a corporate culture based on integrity - one that's focused on treating customers ethically and making their priorities our priorities. We pride ourselves in finding and hiring people with the highest intellectual capital, and providing them with challenging opportunities and encouraging their innovation and initiative.

CACI

Linux Systems Engineer

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AI Stack: Claude Code, GraphRAG/Advanced RAG, Model Context Protocol (MCP), LangChain/LangGraph, pgvector/Pinecone, DeepEval/Ragas/Arize Phoenix, and LangSmith/Langfuse (or equivalent tooling). Data Platforms: ELT/ETL, Relational/NoSQL DBMS, Vector databases, and cloud data platform integrations (dbt, Dagster, Airbyte, Snowflake).

SS&C Technologies Holdings Inc

Senior Software Engineer - SS&C EVOLV

HS diploma or GED and 7+ years of experience with supporting IT projects and activities, Associate’s degree and 5+ years of experience supporting IT projects and activities, Bachelor’s degree and 3+ years of experience supporting IT projects and activities, or Master’s degree and 1+ years of experience supporting IT projects and activities. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results.

ENS Solutions, LLC

Cribl Engineer - Active Ts/Sci With CI Poly

Whether you're early in your career or leading teams and architecting solutions, we're looking for all levels of engineers who want to solve hard problems, grow their skillsets, and make an impact. Day-to-day, that can look like: Building and enhancing complex systems, from real-time processing and large-scale analytics to mission applications.

Adaptic

Software Engineer (All Levels)

PlatformDIGITAL, the company's global data center platform, provides customers with a secure data meeting place and a proven Pervasive Datacenter Architecture (PDx) solution methodology for powering innovation and efficiently managing Data Gravity challenges. You'll spend most of your days on a variety of interesting activities, including walking the facility and inspecting infrastructure systems, performing routine maintenance, supervising the facility, assessing needs, monitoring construction projects, and completing repairs as needed.

HOUR

Digital Realty Trust

Lead Engineer

You will work closely with a multi-disciplinary team of engineers, architects, developers, software integrators, and system administrators on the following key tasks: Deploy, triage and maintain a production big data pipeline using a microservice architecture running on Kubernetes, Elasticsearch backend, and Kafka messaging. You bring enthusiasm, the ability to work well with people from different disciplines with varying degrees of technical experience, and meet the following qualifications: BS in Engineering, Computer Science, Systems Engineering, or related field or equivalent experience with 12+ years in software development, system engineering or related field.

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.

We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.

Leidos Holdings Inc

Senior DevOps Engineer

Design software and deployment patterns that support multi-cloud environments, such as cloud-agnostic Terraform modules, minimal provider lock-in for core services, and future deployments across commercial cloud and GovCloud. The Role As a Senior Software Engineer at Kestrel, you will lead the design and development of data structures, data processing pipelines, APIs, components of an agentic AI architecture, and user interface components.

Kestrel Intelligence

Senior Software Engineer (Virginia)

The Cloud DevSecOps Engineer will work with a dynamic, agile, and cross-functional development team that continually focuses on forward leaning AWS cloud workload prototype development and system migrations that include infrastructure deployment automation, system performance optimization, authentication services integration, system monitoring improvements, identity access management, customer demonstrations, and technical support. 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.

Cloud DevSecOps Engineer

You will leverage the Government customer's massive enterprise datasets, spanning complex program budgets, scheduling, and financials, to build proof-of-concept models (including Large Language Models and financial predictive tools). Clean, curate, and pipeline this data to create high-quality training corpora, instruction-tuning datasets, and knowledge bases for Retrieval-Augmented Generation (RAG) to discover trends, anomalies, and optimization opportunities.

When you become part of the When you become part of the KBR team, your opportunities are endless. As a leading global technology, engineering, procurement and construction company serving the hydrocarbons and government services industries. For decades it has been the company that customers turn to for their most challenging assignments.
 
With operations in 40 countries, KBR has more than 25,000 people delivering services to customers in over 70 countries. Together they represent an unmatched reservoir of talent and experience in a wide range of markets.
 
Whatever the assignment, no matter how complex or demanding, KBR can marshal resources across every product line to respond quickly and effectively to changing markets and customer needs.
 
Whether it's providing the technology and consulting know-how to develop our customers' valuable assets; designing and constructing the infrastructure and facilities to develop energy resources in some of the world's more remote and challenging locations; providing support and services for men and women of their countries' armed forces; or navigating the intricacies of undertaking major projects in geopolitically or culturally sensitive environments, our clients depend on KBR because they know that We Deliver.
 
Join us and you'll be part of a dynamic, elite team of professionals who understand what it takes to get a job done and has the experience, knowledge and determination to succeed.”

AI Systems Engineer

About the TeamMission Solutions – The Platforms Mission Solutions builds on Umbra’s expertise in remote sensing and spacecraft operations to engineer platforms purpose-built for U.S. and allied defense and intelligence missions. We are seeking a Senior/Staff Flight Software Engineer to support Umbra’s Mission Solutions business unit in developing requirements, designing software architecture, writing code, and overseeing system integration and testing.

Umbra

Senior/Staff Flight Software Systems Engineer

Will help onboard new cloud accounts and applications, conduct security patching, build code pipelines, and support deployment activities, primarily with AWS, but familiarity with multi-cloud solutions (Azure, Google, and Oracle), and Commercial Cloud Enterprise (C2E) classified cloud migration and deployments is important. SMX is seeking Cloud Systems Engineers (Junior/Mid/Senior/SME) supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications, and services in support of enterprise cloud migration and mission-critical systems for the United States Air Force.

Smartronix

Cloud Systems Engineer (Secret) (4496)

Lead the development of prototypes to demonstrate advanced concepts in areas like autonomous and multi-agent systems, GenAI, advanced data analytics, quantum computing/sensing/networking/comms/machine learning, modeling, simulation, optimization, visualization, next-gen human-machine interfaces, heterogenous computing, and cybersecurity. unsupervised learning, regression, classification, clustering, deep learning neural networks, NLP, LLMs, SLMs, model fine-tuning, prompt engineering, RAG) and hands-on experience developing (Gen)AI-enhanced applications or services.

ANDURIL INDUSTRIES

Full Stack Software Engineer

Applying the basics of visual design (i.e. UI) principles in their design work such as visual hierarchy, proximity, similarity, font selection and color theory and demonstrate an understanding of visual, layout, content organization, and accessibility guidelines. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Data Engineer

Responsibilities:Develop and maintain machine learning pipelines and applications using Python and modern ML frameworks• Implement and optimize algorithms for large language model (LLM) integration and deployment• Build RESTful APIs and microservices to serve ML models in production environments• Write clean, maintainable, and well-documented code following object-oriented programming principles• Collaborate with cross-functional teams to understand requirements and translate them into technical solutions• Work with databases (SQL,NoSQL and Vector) to manage training data, model artifacts, and application state• Containerize ML applications using Docker for consistent deployment across environments• Utilize Git for version control and participate in code reviews to maintain code quality• Conduct testing and debugging of ML applications to ensure reliability and accuracy• Support the deployment and monitoring of AI/ML models in cloud environments• Stay current with emerging trends in machine learning, LLMs, and AI engineering best practicesRequired Qualifications:• Must be able to obtain Active TS/SCI clearance with Poly• Bachelor's degree in computer science, Software Engineering, Data Science, or related technical field with 5 years of professional experience in software development or machine learning engineering• Strong proficiency in Python programming with solid understanding of object-oriented programming (OOP) concepts, design patterns, data structures, and algorithms• Experience with development tools and practices including Git version control, Docker containerization, and database management (SQL and/or NoSQL)• Knowledge of LLM technologies including exposure to Large Language Models, orchestration frameworks (LangChain, LangGraph),• Understanding of RAG architectures and vector databases (ChromaDB, Pinecone, Weaviate, or similar) for building intelligent retrieval systems• Strong problem-solving abilities, attention to detail, excellent communication skills, and eagerness to learn in a collaborative team environmentDesired Qualifications:• Master's degree in computer science or related field• Experience with cloud platforms (AWS, Azure, or Google Cloud) and knowledge of MLOps practices for ML model deployment and monitoring• Experience with container orchestration and DevOps including Kubernetes, Rancher, CI/CD pipelines, and infrastructure automation tools like Ansible• Familiarity with enterprise platforms such as ServiceNow, SAP, Tableau, or Splunk• Contributions to open-source ML projects and familiarity with Agile development methodologies . Job Title: Machine Learning Engineer (Clearance Sponsorship)Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity: CACI is seeking a Software Developer with AI experience to join our dynamic team.

Machine Learning Engineer (Clearance Sponsorship)

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. Ability to collaborate with cross-functional teams including product managers, architects, and other engineers to define, design, and ship new features.

Diagnose and remediate complex, low-level system friction points (e.g., SELinux policy denials, pipeline token validation issues, and local network/VPN bottlenecks), defining long-term fixes to prevent recurrence. About The Role: Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a DevSecOps Engineer to be part of our Internal DevSecOps team and based out of one of our locations: Mount Laurel NJ, Arlington, VA, or Fall River, MA.

INNOVATIVE DEFENSE TECHNOLOGIES

DevSecOps Engineer - JobID-0331

OTHER

The actual base pay is dependent upon many factors, such as: level, function, training, transferable skills, work experience, business needs, geographic market, and often a combination of all these factors. Together, we are creating the only platform that combines modern 911 infrastructure with an AI intelligence layer—helping public safety agencies move faster, make better decisions, and deliver better outcomes in the moments that matter most.

Axon

Unified Communications Integration Engineer, Public Safety

greenhouse_via_bold

ProSync is seeking a Systems OR Software Engineer to develop, maintain, and enhance complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets real-time systems, and business management information systems) based upon documented requirements. Provides specific input to the software components of system design to include hardware/software trade offs, software reuse, use of Commercial Off-the-Shelf (COTS)/Government Off-the-Shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

Prosync

Systems Engineer I/II OR Software Engineer 0/I/II

Workable

We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. Actual compensation will be determined based on a variety of factors, including relevant experience, education, certifications, skills, security clearance level, geographic location, market conditions, and internal equity.

Red Horse Corporation Ltd.

DevOps Engineer

Customizes and integrates enterprise data workflows, ontology structures, and analytics tools within the Palantir ecosystem to accelerate data conditioning and observability. Ensure end-to-end data transformation visibility and integrate conditioned datasets into downstream analytics tools.

Build Engineer Jobs in Rockville, MD

Linux Systems Engineer CACI

Senior Software Engineer - SS&C EVOLV SS&C Technologies Holdings Inc

Cribl Engineer - Active Ts/Sci With CI Poly ENS Solutions, LLC

Software Engineer (All Levels) Adaptic

Lead Engineer Digital Realty Trust

Senior DevOps Engineer Leidos Holdings Inc

Senior Software Engineer (Virginia) Kestrel Intelligence

Cloud DevSecOps Engineer CACI

AI Systems Engineer KBR

Senior/Staff Flight Software Systems Engineer Umbra

Cloud Systems Engineer (Secret) (4496) Smartronix

Full Stack Software Engineer ANDURIL INDUSTRIES

Data Engineer Leidos Holdings Inc

Machine Learning Engineer (Clearance Sponsorship) CACI

Full Stack Software Engineer CACI

DevSecOps Engineer - JobID-0331 INNOVATIVE DEFENSE TECHNOLOGIES

Unified Communications Integration Engineer, Public Safety Axon

Systems Engineer I/II OR Software Engineer 0/I/II Prosync

DevOps Engineer Red Horse Corporation Ltd.

Palantir Platform Engineer - Active TS/SCI with Full Scope Polygraph (FSP) TOMORROW HIRE

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