Top 153 Ui java/python developer, mid level ts/sci with poly Jobs in Poolesville, Md

Systems Administrator
Lockheed Martin Corporation —Herndon, VA
- Full-time
- Azure
- Computer Science
- Bachelor of Science
- Paid jury duty
- Paid holidays
Mid/Senior Software Development Engineer (US Federal)
Workday —Reston, VA
- $148,200 - $264,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
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Automated Tester
Flexwind —Herndon, VA
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- Dental insurance
KD Applications Developer
Probity Inc. —Herndon, VA
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- Computer Science
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Data Scientist – Mid
Nalley Consulting —Reston, VA
- Full-time
- Computer science
- Computer Science
- Office
- Paid parental leave
- Paid holidays
Audio Visual Programmer (Associate, Mid-Level or Senior)
Boeing —Herndon, VA
- $92,650 - $192,050 a year
- Research
- Mid-level
- Java
- Health savings account
- Disability insurance
Full Stack Developer (TS/SCI)
Vantor Services Inc. —Reston, VA
- $113,000 - $165,000 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Java
- 401(k) matching
- Pet insurance
Quick Apply
Software Test Engineer
Booz Allen Hamilton —Herndon, VA
- $99,000 - $225,000 a year
- Full-time
- Azure
- 5 years
- Office
- Disability insurance
- Health insurance
Java Developer
Integrity Technology Consultants, Inc. —Reston, VA
- Windows
- Java
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- Profit sharing
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12d
Mid-level SQL Engineer
teKnoluxion —Gaithersburg, MD
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- Computer Science
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- Disability insurance
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Software Engineer - DevOps (US Federal)
Workday —Reston, VA
- $123,900 - $205,400 a year
- Full-time
- System design
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- 3 years
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Mid Level Cost Analyst
KBR —Chantilly, VA
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- Full-time
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- Finance
13d
Software Developer
Leidos —Chantilly, VA
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- Full-time
- Master's degree
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Cyber System Security Engineer
Lockheed Martin Corporation —Herndon, VA
- Full-time
- System design
- Windows
- Agile
- Paid jury duty
- Paid holidays
Systems Engineer (SETA) Mid - Level
KBR —Chantilly, VA
- $136,200 - $151,000 a year
- Full-time
- Computer Science
- Engineering
- Research
Full Stack Developer
Leidos —Arlington, VA
- $107,900 - $195,050 a year
- Full-time
- Bachelor of Science
- System design
- Office
Full Stack Developer
MOMENTUM —Bethesda, MD
- $150,000 - $170,000 a year
- Full-time
- Background check
- System design
- Java
- AD&D insurance
- Paid holidays
Quick Apply
1d
DevOps Engineer
Jacobs —Chantilly, VA
- $120,000 - $155,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
- Profit sharing
- Health insurance
Chief Systems Engineer
KBR —Chantilly, VA
- $213,000 - $260,300 a year
- Full-time
- Computer Science
- 11+ years
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Mid-Level Backend Software Engineer
teKnoluxion —Gaithersburg, MD
- $87,000 - $157,450 a year
- Full-time
- Azure
- Computer Science
- Software troubleshooting
- Disability insurance
- Health insurance

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ui java/python developer, mid level ts/sci with poly jobs near poolesville, md

Systems Administrator

Lockheed Martin Corporation -
Herndon, VA

Apply Now

Job Details

Full-time

Benefits

Paid jury duty
Paid holidays
Health insurance
Dental insurance
401(k)
Paid time off
Flextime
Parental leave
Vision insurance
401(k) matching
Flexible schedule

Qualifications

Non-technical user support
Linux support
Security compliance frameworks implementation
Programming languages
TS/SCI with Polygraph
Linux administration

Full Job Description

JOB ID: 722804BR

Date posted: Jul. 06, 2026

Description:

Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN’s operating system, and the GOTS, COTS, and custom software products running on it.
Perform system startup, shutdown, backups, and restores and maintain records of the Cartoon operating system upgrades/changes for reporting purposes.
Conduct virus scanning and firewall protection of the Mission LAN in compliance with the Sponsor’s ISSM
Provide Data Transfer Officer (DTO) services between UNCLASSIFIED and CLASSIFIED networks as needed by the Sponsor
Coordinate assistance from the Sponsor’s corporate resources when required, if encountering a problem that the Contractor team cannot solve
Ensure security compliance with the Sponsor’s ISSM for all components of the network
Perform other system administration duties as requested by the Sponsor.

Basic Qualifications:

Minimum 3 years experience as a Systems Administrator
Minimum 1 year administering a system with the Sponsor's system security control for Int-A, B, and/or C enclaves
Basic understanding of Windows/Linux
Ability to describe technical items to non-technical users
Experience with scripting languages (Powershell, Bash, Python, etc.)
BS degree or higher in Computer Science, Systems Engineering, IT, GIS, or related field. Candidates without a degree may be considered if they have relevant certifications and equivalent professional experience
Must have a current U.S. government security clearance (Top Secret/SCI with CI or higher) appropriate for the role

Desired Skills:

Experience with ClanSig program performing software development, coordinating IT services, or administering systems
Experience with the Sponsor's Authority to Operate (ATO) process for mission systems, and coordinating ATO packages for a Sponsor enclave and completing all of the tasks required from the Sponsor's ISSM that are necessary to obtain ATO status for that enclave
Cloud familiarity (AWS, Azure, Google Cloud, etc.)
Knowledge of networking fundamentals (TCP/IP, DNS, DHCP, etc.)
Experience with virtualization technologies

#LMSpaceSystemsEng #SpaceCYBPrograms

Clearance Level:

TS/SCI w/Poly SP

Other Important Information You Should Know

Expression of Interest:

By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

Ability to Work Remotely:

Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

Work Schedules:

Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.

Schedule for this Position:

Standard Monday to Friday 40 hour work week
Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.
The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.
At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work.

With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.

If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.

Experience Level:

Experienced Professional

Business Unit:

SPACE

Relocation Available:

Possible

Career Area:

Systems Engineering: Other

Type:

Full-Time

Shift:

First

At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges.

Pioneering Defense Technology: From aerospace to outer space to cyber space, you can innovate mission solutions alongside the best minds in the business.

United By Culture: Excellence, integrity, and collaboration define us. We accelerate change and embrace one another’s perspectives to win for our customers.

Real Impact, Real Growth: Grow your career and skills for life. Our wide array of opportunities and technology-driven learning programs enable your development and agility.

Your Health, Your Wealth, Your Life: Competitive pay, comprehensive benefits and flexible schedules designed so you thrive — at work and beyond.

Empowered to Be Your Best: Use your strengths to make a difference in the lives of one another, our customers, our communities, and our planet.

Here, the possibilities are endless because we offer:

Flexible Schedules, dependent on role

Levels: Student, Entry, Mid, Senior, Management

Locations: Nationwide & OCONUS Positions

Apply Now

Refine Your Search

ui java/python developer, mid level ts/sci with poly jobs in poolesville, md

Systems Administrator

Mid/Senior Software Development Engineer (US Federal)

Automated Tester

KD Applications Developer

Data Scientist – Mid

Audio Visual Programmer (Associate, Mid-Level or Senior)

Full Stack Developer (TS/SCI)

Software Test Engineer

Java Developer

Mid-level SQL Engineer

Software Engineer - DevOps (US Federal)

Mid Level Cost Analyst

Software Developer

Cyber System Security Engineer

Systems Engineer (SETA) Mid - Level

Full Stack Developer

Full Stack Developer

DevOps Engineer

Chief Systems Engineer

Mid-Level Backend Software Engineer

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