Jobs in the United States

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Added 16 days ago
EG
API Platform Engineer
Eliassen Group
Denver, CO
- $56 to $66 USD / hour
Our client seeks an API Platform Engineer with Broadcom Layer7 API Gateway and Java Spring Boot microservices experience to support API modernization and migration from MuleSoft to Layer7.…
Added 16 days ago
EG
Software Engineer
Eliassen Group
Denver, CO
- $70 to $75 USD / hour
Our client seeks Software Engineers at all levels to design, develop, troubleshoot, and debug Java-based microservices and platform capabilities. The role includes cloud system ownership in…
Added 16 days ago
Full-stack Engineer 4
Capital One
McLean, VA
Utilize programming languages like Java, Scala, Python, Go, Node.js, JavaScript and TypeScript, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and…
Added 16 days ago
E-Commerce IT Senior Product Manager – Waters
Augusta Life Sciences US OpCo I LLC
United States
…the imagination and passion of all of us - from design and engineering to the manufacturing and marketing of our billions of MedTech products per year - to look at the impossible and find…
Added 16 days ago
Java Developer
Capgemini
New York, NY, NY
Solid experience with java spring based frameworks and libraries preferably Spring boot
Added 16 days ago
M
Senior Cloud Systems Engineer
Markon
Chantilly, VA
- $180,000 to $215,000 USD / year
…environments. The Senior Cloud Systems Engineer will combine systems engineering expertise with hands-on AWS cloud administration, security engineering, automation, and virtualization…
Added 16 days ago
AM Public-Dallas-Vice President-Security Engineering
Campus
Dallas, TX
…mitigation/acceptance and provide risk assessment and advisory services to technology engineers, and technology and business…
Added 16 days ago
VF
2027 Internship - Frontend Engineer (UI)
Virtu Financial
NY
- $5,000 to $5,800 USD / week
…paced start up, with the stability of a disciplined financial services firm. We are a flat organization and encourage our people to innovate and lean on their teammates for support and…
Added 16 days ago
Lead Solutions Architect
Aegon Asset Management
Cedar Rapids, IA
We believe everyone deserves to live their best life. More than a century ago, we were among the first financial services companies in America to serve everyday people from all walks of…
Added 16 days ago
EG
API Platform Engineer
Eliassen Group
Des Moines, IA
- $56 to $66 USD / hour
Our client seeks an API Platform Engineer with Broadcom Layer7 API Gateway and Java Spring Boot microservices experience to support API modernization and migration from MuleSoft to Layer7.…
Added 16 days ago
EG
Software Engineer
Eliassen Group
Des Moines, IA
- $70 to $75 USD / hour
Our client seeks Software Engineers at all levels to design, develop, troubleshoot, and debug Java-based microservices and platform capabilities. The role includes cloud system ownership in…
Added 16 days ago
Software Engineer-Mid
Iron EagleX Inc
United States
…for JavaScript/TypeScript projects. You will develop backend services for data ingestion and retrieval, design APIs and microservices using Python Flask or FastAPI, and implement DevSecOps…
Added 16 days ago
Software Engineer-Mid
Iron EagleX Inc
United States
…for JavaScript/TypeScript projects. You will develop backend services for data ingestion and retrieval, design APIs and microservices using Python Flask or FastAPI, and implement DevSecOps…
Added 16 days ago
EG
Software Engineer
Eliassen Group
Baton Rouge, LA
- $70 to $75 USD / hour
Our client seeks Software Engineers at all levels to design, develop, troubleshoot, and debug Java-based microservices and platform capabilities. The role includes cloud system ownership in…
Added 16 days ago
EG
API Platform Engineer
Eliassen Group
Baton Rouge, LA
- $56 to $66 USD / hour
Our client seeks an API Platform Engineer with Broadcom Layer7 API Gateway and Java Spring Boot microservices experience to support API modernization and migration from MuleSoft to Layer7.…
Added 16 days ago
Senior Manager, CRM Engineering & Administration
E.R. Squibb & Sons,L.L.C.
Princeton, NJ
This position is a Senior Manager role leading the Administration & Development stream within BMS's CRM Engineering – Field Enablement organization. Primary Technical Lead driving…
Added 16 days ago
Cloud Software Developer - TS/SCI with Polygraph
GD Information Technology, Inc.
United States
The Cloud Developer Senior must have:
Added 16 days ago
EG
API Platform Engineer
Eliassen Group
Carson City, NV
- $56 to $66 USD / hour
Our client seeks an API Platform Engineer with Broadcom Layer7 API Gateway and Java Spring Boot microservices experience to support API modernization and migration from MuleSoft to Layer7.…
Added 16 days ago
EG
Software Engineer
Eliassen Group
Carson City, NV
- $70 to $75 USD / hour
Our client seeks Software Engineers at all levels to design, develop, troubleshoot, and debug Java-based microservices and platform capabilities. The role includes cloud system ownership in…
Added 16 days ago
Software Development Engineer II, Engagement and Growth Tech
IMDb.com, Inc.
Seattle, WA
…embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl…
Added 16 days ago
System Development Engineer, Controls Development Experience
Amazon Data Services, Inc.
Austin, TX · Seattle, WA · Herndon, VA
AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we’re the people who keep the cloud running. We support all…
Added 16 days ago
M
Information Systems Security Engineer
Markon
McLean, VA
- $175,000 to $205,000 USD / year
Markon is seeking an experienced Systems Engineer specializing in Information Systems Security Engineering (ISSE) and Data Engineering to support an Intelligence Community client in…
Added 16 days ago
Senior Manager - Software Development Engineering
CVS Shared Services Resources LLC
Remote, United States
Aetna CVS Health is looking for a dynamic and driven Engineering Delivery Leader to work with cross-functional engineering teams tasked with creating best in class experiences focused on…
Added 16 days ago
EG
Software Engineer
Eliassen Group
Columbus, OH
- $70 to $75 USD / hour
Our client seeks Software Engineers at all levels to design, develop, troubleshoot, and debug Java-based microservices and platform capabilities. The role includes cloud system ownership in…
Added 16 days ago
EG
API Platform Engineer
Eliassen Group
Columbus, OH
- $56 to $66 USD / hour
Our client seeks an API Platform Engineer with Broadcom Layer7 API Gateway and Java Spring Boot microservices experience to support API modernization and migration from MuleSoft to Layer7.…

Markon

Information Systems Security Engineer

McLean, VA, United States

$175,000 to $205,000 USD / year

Apply on careers-markon.icims.com About employer

Applications open in a new tab.

Job details

Pay: $175,000 to $205,000 USD / year
Apply by: Oct 28, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Description

Markon is seeking an experienced Systems Engineer specializing in Information Systems Security Engineering (ISSE) and Data Engineering to support an Intelligence Community client in Chantilly, Virginia. This position will design, secure, integrate, and optimize mission-critical cloud and data solutions within classified environments, combining systems engineering principles, cybersecurity compliance, advanced analytics, and modern data engineering practices. The Systems Engineer will work across secure cloud architectures, ETL pipelines, graph databases, and AI/ML-supporting technologies to deliver scalable, compliant solutions aligned with mission requirements.

Responsibilities

Lead Information Systems Security Engineering (ISSE) activities throughout the system lifecycle, including security architecture development, security control implementation, and compliance with NIST and Sponsor-specific requirements.
Develop and maintain Assessment and Authorization (A&A) documentation supporting Authorization to Operate (ATO), including System Security Plans (SSPs), Plans of Action and Milestones (POA&Ms), test procedures, and continuous monitoring artifacts.
Conduct security scans, vulnerability assessments, patch management, and remediation activities across classified cloud and on-premises environments.
Integrate security-by-design principles into system architectures, data flows, ETL pipelines, and operational workflows.
Design, develop, and optimize Extract, Transform, Load (ETL) pipelines supporting enterprise data integration, advanced analytics, and AI/ML initiatives.
Develop and maintain Neo4j graph database solutions, including data modeling, relationship mapping, schema optimization, and Cypher query development.
Clean, preprocess, analyze, and visualize medium-to-large datasets to support mission analysis and operational decision-making.
Develop secure software components using technologies such as Cypher, Python, Java, and JavaScript.
Perform technical and functional assessments, risk analysis, cost estimation, trade studies, and systems engineering evaluations.
Support secure cloud architectures, virtualization technologies, and scalable data solutions within mission environments.
Collaborate with systems engineers, developers, security teams, and mission stakeholders to ensure solutions meet technical, accreditation, and operational requirements.
Participate in Agile development activities, including sprint planning, iterative development, and CI/CD processes.
Maintain comprehensive documentation covering technical requirements, data models, engineering decisions, software components, and security compliance.

Qualifications

Required:

Active TS/SCI clearance with Full Scope Polygraph (FSP).
Bachelor's degree and at least 8 years of relevant experience, including 2 years of Sponsor experience; OR
Master's degree and at least 6 years of relevant experience, including 2 years of Sponsor experience; OR
PhD and at least 3 years of relevant experience, including 2 years of Sponsor experience.
An additional 4 years of relevant experience may be considered in lieu of a degree.
Demonstrated experience designing, securing, and maintaining data flow solutions within classified or high-security environments.
Strong ISSE experience, including security architecture, A&A/ATO processes, vulnerability management, accreditation documentation, and continuous monitoring.
Hands-on experience developing ETL pipelines, data models, activity models, and data engineering solutions supporting AI/ML initiatives.
Proficiency in at least one programming language, such as Cypher, Python, Java, or JavaScript.
Experience with graph database technologies, with Neo4j and Cypher expertise preferred.
Experience cleaning, modeling, analyzing, and visualizing medium-to-large datasets.
Experience supporting Sponsor mission systems or classified programs.
Strong written and verbal communication skills with the ability to explain complex technical concepts to both technical and nontechnical stakeholders.

Desired:

Experience with enterprise data strategy, data governance, data stewardship, and metadata management.
Experience developing dashboards, technical visualizations, or system-level data representations.
Exposure to AI/ML and large language model (LLM) systems, including associated data engineering workflows.
Familiarity with Agile development methodologies and cloud-native architecture patterns.
Hands-on experience with Neo4j graph databases and advanced Cypher query development.

Salary Range USD $175,000.00 - USD $205,000.00 /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/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

Apply on careers-markon.icims.com About employer

More about this job

Skills

Data engineering
Engineering principles
Cybersecurity
Regulatory compliance
ML
Documentation
Test procedures
Design principles
Neo4j
Data modelling
Decision making
Python
Oracle Java
JavaScript
Estimating
Agile development
Iterative development
CI/CD
Data models
Cleaning
Communication skills

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Work requirements

Jobs in the United States