Jobs in the United States

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Added 2 hours ago
Principal Information System Security Officer
Clarity Innovations
Columbia, MD
U.S. citizen able to obtain and maintain a TS/SCI clearance with CI polygraph, as longer-term duties include cross-environment coverage
Added 5 hours ago
SS
Systems Engineer
Space Systems Integr
Colorado Springs, CO
- $110,000 to $135,000 USD / year
…our customers' technical challenges. SSI is seeking a Systems Engineer for a role in Colorado Springs, CO. You will provide systems engineering and technical integration support across…
Added 16 hours ago
Cyber Automation Engineer
Booz Allen Hamilton_United States
Alexandria, VA · St. Louis, MO
…eligibility requirements for access to classified information; TS/SCI clearance with polygraph is…
Added 19 hours ago
Senior DevOps Engineer
Bigbear.ai
Washington
TS/SCI clearance with current CI polygraph (required).
Added 20 hours ago
Software Development Engineer (TS/SCI)
Vantor Services Inc.
Herndon, VA
US citizenship and a current TS/SCI clearance (with willingness to get a CI Polygraph).
Added 22 hours ago
Systems Engineer
Radiance Technologies, Inc.
Beavercreek, OH
Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies in the Dayton OH area. Employee ownership, generous 401K, full…
Added 22 hours ago
Systems Software Engineer
DAn Solutions
Washington, DC
REQUIRES AN ACTIVE/EXISTING TS/SCI WITH CI POLYGRAPH
Added 22 hours ago
Senior DevOps Engineer – Cloud Infrastructure & Core Services
DAn Solutions
Washington, DC
REQUIRES AN ACTIVE/EXISTING TS/SCI WITH CI POLYGRAPH
Added 1 day ago
DevSecOps Engineer - TS/SCI with Polygraph
GD Information Technology, Inc.
United States
Transform technology into opportunity as a DevSecOps Engineer at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.
Added 1 day ago
Machine Learning Engineer (TS/SCI)
Vantor Services Inc.
Herndon, VA
US citizenship and a current TS/SCI clearance (with willingness to get a CI Polygraph).
Added 1 day ago
A
DevOps Engineer
AnaVation
Chantilly, VA
- $92,905.44 to $218,324.12 USD / year
This position requires an active Top Secret (TS) clearance and the ability to obtain SCI access with a CI polygraph. This position is on-site in Chantilly, VA.
Added 1 day ago
Cleared - Cyber Security Engineer
Noblis
Bethesda, MD
Noblis is seeking a cleared Cyber Security Engineer to support our customer in Bethesda, MD. SETA
Added 1 day ago
M
Senior Systems Engineer
Markon
McLean, VA
- $155,000 to $185,000 USD / year
An active TS/SCI clearance with Full Scope Polygraph (FSP) is required to be considered for this role.
Added 1 day ago
DevOps Engineer
CACI International
Denver, CO
Minimum Clearance Required to Start: TS/SCI with Polygraph
Added 1 day ago
Engineer Principal – Embedded Software
BAE Systems
Boulder, CO · Westminster, CO · Broomfield, CO
…Space & Mission Systems (SMS) is looking to expand our team with a talented and energetic software engineer focused on delivering high-quality, embedded satellite software and associated…
Added 1 day ago
Test Engineer SME
Ideal Innovations
Bethesda, MD
This Test Engineer SME will provide technical expertise with developing and executing automated testing scripts as part of a tailored SAFe Agile DevSecOps pipeline. As a Test Engineer on…
Added 2 days ago
Software Engineer – Cloud & DevSecOps
Peraton
Annapolis Junction, MD
Active TS/SCI security clearance with current polygraph required
Added 2 days ago
Cyber Exploiter/Vulnerability Assessment Engineer (TS/SCI with Poly Required)
GCI
Chantilly, VA
…building and maintaining trusted and reliable partnerships with our customers and…
Added 2 days ago
Junior Software Engineer
GRVTY
Sterling, VA · Aurora, CO
This is a hands-on technical role ideal for a software engineer with strong foundational skills who is eager to expand their knowledge of modern backend systems, containerized cloud…
Added 2 days ago
SENIOR SYSTEMS ENGINEER - PLATFORM/INFRASTRUCTURE (CI POLYGRAPH)
NorthHill Technology
Sterling, VA
NorthHill Technology Resources has a need for an a Senior Systems Engineer- Platform/Infrastructure to support a Federal Program in Sterling, VA. This is a direct-hire role with our client,…
Added 2 days ago
SS
Software Solutions Engineer Integrator
Space Systems Integration
El Segundo, CA
- $210,000 to $255,000 USD / year
Collaborate with developers, architects, cybersecurity/DevSecOps teams, testers, Product and Program Managers, acquisition professionals, vendors, operators, and receiving programs to…
Added 2 days ago
SS
Software Solutions Engineer
Space Systems Integration
El Segundo, CA
- $210,000 to $255,000 USD / year
Collaborate with developers, engineers, architects, cybersecurity and DevSecOps teams, testers, Product and Program Managers, vendors, operators, and legacy-system owners to resolve…
Added 2 days ago
Palantir Engineer, Lead
BOOZ, ALLEN & HAMILTON, INC.
Springfield, VA
As an AI and ML Engineer on our National Security team, you'll work closely with your clients to understand their questions and needs and then dig into their data-rich environments to find…
Added 2 days ago
Sr Systems Engineer – Integration and Test
RTX
United States
We have an exciting opportunity for Systems Engineer – Integration and Test supporting one of our premier programs within Raytheon, an RTX Business, in the Space Intelligence, Surveillance,…
Added 2 days ago
Senior Information Systems Security Engineer
Cornerstone Defense
United States
Collaborate with DevSecOps, system engineering, IT, and development teams to embed security into the lifecycle

Markon

Senior Systems Engineer

McLean, VA, United States

$155,000 to $185,000 USD / year

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Job details

Pay: $155,000 to $185,000 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 to support an Intelligence Community client in Chantilly, Virginia. This position will provide systems engineering and programmatic support to mission-critical, high-visibility programs throughout the full systems development lifecycle. The Systems Engineer will apply International Council on Systems Engineering (INCOSE) principles and methodologies to support requirements development, system architecture, integration, verification, validation, and technical program execution.

Responsibilities

Support systems engineering activities across the full INCOSE systems lifecycle, from concept development and requirements definition through integration, verification, validation, deployment, and sustainment.
Apply established systems engineering methodologies, processes, and best practices to support the development and implementation of mission-critical capabilities.
Develop, analyze, document, and manage system requirements, ensuring alignment with Sponsor mission objectives and operational needs.
Support system architecture development, technical assessments, and engineering trade studies to evaluate alternative solutions and recommend technical approaches.
Provide programmatic and technical support to high-visibility Sponsor programs, including planning, execution, coordination, and performance monitoring.
Support the development and maintenance of systems engineering documentation, including requirements specifications, interface documentation, technical baselines, and lifecycle artifacts.
Coordinate system integration, verification, and validation activities to ensure solutions meet technical, operational, and performance requirements.
Conduct technical risk assessments, gap analyses, and feasibility studies to identify potential issues and recommend mitigation strategies.
Collaborate with Sponsor stakeholders, program managers, engineers, developers, and mission personnel to translate operational needs into actionable technical requirements.
Support technical reviews, milestone assessments, design reviews, and program status briefings throughout the systems development lifecycle.
Monitor program progress, engineering deliverables, and technical dependencies to support successful execution of program objectives.
Apply configuration management, change control, and requirements traceability practices to maintain consistency across system baselines and engineering documentation.
Evaluate emerging technologies and engineering solutions to identify opportunities for improved system performance, interoperability, and mission effectiveness.
Communicate complex technical concepts, engineering recommendations, and program risks to both technical and nontechnical stakeholders.
Support continuous improvement of systems engineering processes, standards, and program execution practices within the Sponsor environment.

Qualifications

Required:

An active TS/SCI clearance with Full Scope Polygraph (FSP) is required to be considered for this role.
Bachelor's degree in a technical discipline such as Systems Engineering, Computer Science, Computer Engineering, Electrical Engineering, Information Technology, or a related field.
5+ years of demonstrated senior-level experience supporting systems development activities across the INCOSE systems engineering lifecycle within the Sponsor organization.
Experience providing programmatic support to systems development efforts and high-profile programs within the Sponsor environment.
Working knowledge of systems engineering principles, including requirements analysis, architecture development, system integration, verification, and validation.
Experience developing or maintaining systems engineering documentation, technical requirements, and lifecycle artifacts.
Understanding of technical program management processes, including planning, risk management, milestone tracking, and coordination of engineering activities.
Ability to evaluate technical requirements, identify engineering challenges, and develop practical recommendations supporting mission objectives.
Experience collaborating with multidisciplinary engineering teams, program managers, and government stakeholders.
Strong analytical, problem-solving, and written and verbal communication skills.
Ability to communicate complex engineering concepts effectively to technical and nontechnical audiences.

Desired:

7+ years of relevant experience supporting systems engineering, systems development, or technical program execution within the Intelligence Community.
Extensive experience supporting Sponsor-specific systems engineering processes, technical reviews, and high-visibility programs.
Familiarity with INCOSE Systems Engineering Handbook methodologies and established systems engineering best practices.
Experience with Model-Based Systems Engineering (MBSE) methodologies and modeling tools such as Cameo, MagicDraw, or IBM Engineering Systems Design Rhapsody.
Experience using requirements management and traceability tools, such as IBM DOORS, Jama Connect, or similar platforms.
Experience conducting technical trade studies, system architecture assessments, and engineering risk analyses.
Familiarity with Agile development methodologies, DevSecOps practices, or hybrid systems engineering frameworks.
Experience supporting technical program planning, schedule management, performance assessments, and engineering milestone reviews.
Professional certifications such as INCOSE ASEP/CSEP/ESEP or Project Management Professional (PMP).
Experience developing technical briefings, engineering decision packages, and executive-level program documentation.

Salary Range USD $155,000.00 - USD $185,000.00 /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.

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More about this job

Skills

Technical support
Documentation
ICT system integration
Process improvement
Engineering processes
Computer science
Computer engineering
Electrical engineering
Computer technology
Engineering principles
Program management
Risk management
Problem solving
Communication skills
Agile development
PMP

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