Software Engineer Pythonjavaawsapi Jobs in Fairfax, USA

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Senior Electrical Engineer Physical Substation

**44387BR****Requisition ID:**44387BR**Business Unit:**IND**Job Description:**As a Senior Substation Engineer – Physical, you’ll lead the design and execution of extra high voltage (EHV) substations (230kV–765kV), ensuring safe, reliable, and cost-effective solutions for clients. This hyb ...

Senior Automation and Controls Engineer

**44011BR****Requisition ID:** 44011BR **Business Unit:** TSU **Job Description:** CDM Smith is seeking a Senior Automation and Controls Engineer to join a great team of motivated Automation engineers in our Southeast and Mid-Atlantic regions! The successful candi ...

Lead Substation Protection & Control Engineer

**43876BR****Requisition ID:**43876BR**Business Unit:**IND**Job Description:**As a Lead Substation Protection & Control (P&C), you’ll play a key role in leading the design and delivery of complex substation projects that ensure the reliability, safety, and efficiency of power systems. You ...

DevSecOps Engineer U.S. Citizenship Required

**DevSecOps Engineer - U.S. Citizenship Required** **Category:** Project Management **Main location:** United States, Virginia, Fairfax **Alternate Location(s):** United States, Louisiana, LafayetteUnited States, Virginia, LebanonUnited States, Tennessee, Knoxville **P ...

Mechanical Engineer Energy Solutions CMTA

**CMTA, a Legence company**CMTA ( is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in sustainable, high-performance building engineering. We are a collaborative, innovative, and energetic team that leverages a data-driven, holistic appro ...

Senior Project Development Engineer (Federal)

**CMTA, a Legence company**CMTA ( is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in sustainable, high-performance building engineering. We are a collaborative, innovative, and energetic team that leverages a data-driven, holistic appro ...

Solar Energy Engineer Energy Solutions

**CMTA, a Legence company**CMTA ( is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in sustainable, high-performance building engineering. We are a collaborative, innovative, and energetic team that leverages a data-driven, holistic appro ...

Data Engineer (Data Scientist 3)

Requisition Number: 27366 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $118,987.00 - $169,982.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business ...

Analytic Engineer (Data Scientist 3)

Requisition Number: 27353 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $118,987.00 - $169,982.00 Security Clearance: TS/SCI Level of Experience: Mid This opportunity resides with Warfare Systems (WS), a business ...

Fire Alarm Field Engineer II

Overview **About M.C. Dean** M.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 7,000 employees, our capabilities ...

Data Science & Research Engineer

Data Science & Research EngineerLocation: Fairfax, VAOnsite Flexibility: RemoteContract Details:Position Type: ContractJob Summary:Senior BI/analytics engineering role ...

Lead, Systems Engineer Mission Protection

L3Harris Technologies is seeking a Lead Systems Engineer – Mission Protection to support a high-visibility, mission-critical national security program. This individual will lead the contractor Mission Protection team and serve as the primary authority for Mission Protection activities supporting sensitive space ...

Lead, Systems Engineer Mission Protection

L3Harris Technologies is seeking a Lead Systems Engineer – Mission Protection to support a high-visibility, mission-critical national security program. This individual will lead the contractor Mission Protection team and serve as the primary authority for Mission Protection activities supporting sensitive space ...

Senior IaC Engineer (Computer Sys Security Anlyst 5)

Requisition Number: 27368 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $149,168.00 - $184,124.00 Security Clearance: TS/SCI Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a busin ...

Mechanical Engineer HVAC, Plumbing, Fire Protection Systems

Communities everywhere share the need for clean water. And as they work to meet that need, they’re facing new, more complex challenges every day. Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we’re helping communitie ...

Secret Solutions Architect

Job DescriptionWe are looking for an experienced and highly skilled Engineer / Solutions Architect to provide strategic technical leadership in designing, integrating, and optimizing secure IT solutions for government systems. This position will be on-site in Merrifield, VA. Key Responsibilities include: ...

Senior Solar Energy Engineer Energy Solutions

**CMTA, a Legence company**CMTA ( is one of the fastest growing engineering firms in the U.S., with nationally recognized expertise in sustainable, high-performance building engineering. We are a collaborative, innovative, and energetic team that leverages a data-driven, holistic appro ...

Sentinel Staff Supplier Manufacturing Engineer 18677

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 25% of the Time**Description** At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact ...

Senior Ovation DCS Programmer Systems Engineer

Communities everywhere share the need for clean water. And as they work to meet that need, they’re facing new, more complex challenges every day. Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we’re helping communitie ...

Project Engineer Process Mechanical Water/Wastewater

Communities everywhere share the need for clean water. And as they work to meet that need, they’re facing new, more complex challenges every day. Our water professionals collaborate to contribute innovative ideas, guided by scientific rigor and a vision for sustainable growth. Every day, we’re helping communitie ...

HVAC Design Energy Analysis Modeling

**43055BR****Requisition ID:**43055BR**Business Unit:**TSU**Job Description:**CDM Smith is an engineering and construction firm delivering legendary service, smart solutions for the environment and infrastructure, and an unmatched experience for our clients and employees. Our firm works w ...

Data Science & Research Engineer Signal1 Integration (Contract)

Data Science & Research Engineer – ML Ops & Research Integration (Contract)8 monthsRemoteSenior BI/analytics engineering role responsible for building and enhancingSignal1 integration data products and analytics assets. The role blends a Senior BI Developerp ...

Building Automation Systems (BAS) Project Specialist (Engineer III)

Building Automation Systems (BAS) Project Specialist (Engineer III) Print ( Apply  Building Automation Systems (BAS) Project Specialist (Engineer III) <br ...

Network Engineer (Palo Alto) U.S. Citizenship Required

**Network Engineer (Palo Alto) - U.S. Citizenship Required** **Category:** Cyber Security **Main location:** United States, Virginia, Fairfax **Alternate Location(s):** United States, Louisiana, Lafayette **Position ID:** J1225-0815 **Employment Type:** Full Time ...

Engineer, SME (TS) Data Acquisition and Analysis

Engineer, SME (TS) - Data Acquisition and Analysis Job Code:2026:0101-005 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description ***Contract Pending Award ...

Engineer, Staff Data Acquisiton and Analysis _PRTR

Engineer, Staff - Data Acquisiton and Analysis _PRTR Job Code:2026:0101-045 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description ***CONTRACT PENDING AWA ...

Engineer, Junior Data Acquisition and Analysis PRTR

Engineer, Junior - Data Acquisition and Analysis - PRTR Job Code:2026:0101-037 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description **PENDING CONTRACT A ...

Engineer, Staff Test Planning and Management _PRTR

Engineer, Staff - Test Planning and Management _PRTR Job Code:2026:0101-003 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description ***CONTRACT PENDING AWA ...

Engineer, Senior Data Acquisition and Analysis PRTR

Engineer, Senior - Data Acquisition and Analysis - PRTR Job Code:2026:0101-035 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description **PENDING CONTRACT A ...

Senior Integrated Technologies Owner EHR

**Req ID:** RQ218248**Type of Requisition:** Regular**Clearance Level Must Be Able to Obtain:** None**Public Trust/Other Required:** SSBI (T5)**Job Family:** IT Infrastructure and Operations**Skills:**Electronic Health Records (EHR),Systems Design,Working Independently**Experienc ...

Senior Manager AI Engineer (GenAI Platform Services)

Senior Manager AI Engineer (GenAI Platform Services) Overview : At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in t ...

Senior Manager AI Engineer (GenAI Platform Services)

Senior Manager AI Engineer (GenAI Platform Services) Overview : At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in t ...

Senior Specialist, Systems Engineer Space Operations Trainer

L3Harris Technologies is seeking a Space Operations Trainer to support mission-critical national security space operations within the NRO Operations Center (NOC). This position serves as a subject matter expert responsible for developing, coordinating, and delivering comprehensive space operations training progr ...

Senior Specialist, Systems Engineer Mission Protection Specialist

L3Harris Technologies is currently seeking a Specialist, Systems Engineer – Mission Protection Specialist to support a high-visibility, mission-critical national security program. This position is responsible for identifying, assessing, and mitigating threats to space, cyber, and ground systems supporting U.S. g ...

Senior Specialist, Systems Engineer Mission Protection Specialist

L3Harris Technologies is currently seeking a Specialist, Systems Engineer – Mission Protection Specialist to support a high-visibility, mission-critical national security program. This position is responsible for identifying, assessing, and mitigating threats to space, cyber, and ground systems supporting U.S. g ...

Senior Data Warehouse Modernization Developer

Fairfax, VirginiaSecretOn-site onlySoftware Engineering Services **Overview** GovCIO is currently hiring for a Senior Data Warehouse Modernization Developer with an active Secret clearance to modernize data warehouse pipeline architecture by gradually reducing reliance on SSIS and S ...

Engineer, Junior (S) Test Planning and Management PRTR

Engineer, Junior (S) - Test Planning and Management - PRTR Job Code:2026:0101-016 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description **PENDING CONTRAC ...

Engineer, Junior (TS) Test Planning and Management PRTR

Engineer, Junior (TS) - Test Planning and Management - PRTR Job Code:2026:0101-015 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description **PENDING CONTRA ...

Advanced Cloud Protection (ACP) Engineer (CrowdStrike/Palo Alto) U.S. Citizenship Required

**Advanced Cloud Protection (ACP) Engineer (CrowdStrike/Palo Alto) - U.S. Citizenship Required** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Fairfax **Alternate Location(s):** United States, Louisiana, Lafayette **Position ID:** ...

Commissioning Consultant Mission Critical Facilities

Stantec’s Buildings team is on a mission to become the world’s leading integrated design practice. Our architects, engineers, interior designers, consultants, sustainability specialists, and technologists are passionate about the power of design. Our collaborative culture and our innovative, sustainable approach ...

MEP Specialist 2

Job Title: Lead Electrical Superintendent/ MEP SpecialistJob DescriptionThe Lead Electrical Superintendent / MEP Specialist oversees electrical construction activities for large data center projects across multiple U.S. locations. This role focuses on switchgear and UPS systems, power distribution, and o ...

General Structural Engineer Interest (CAD, Engineer, PM, Team Leader in Base Building or Cold Formed Steel Design)

ADTEK Engineers, Inc. is a multi-disciplinary engineering firm providing comprehensive civil engineering, structural base building design, and specialty engineering services. Our mission is to deliver high-quality, personalized engineering solutions through collaboration, creativity, and strong client r ...

Zscaler Network Security Engineer (SME) U.S. Citizenship Required

**Zscaler Network Security Engineer (SME) - U.S. Citizenship Required** **Category:** Cyber Security **Main location:** United States, Virginia, Fairfax **Alternate Location(s):** United States, Louisiana, Lafayette **Position ID:** J0226-2501 **Employment Type:** Ful ...

Zscaler Network Security Engineer (Adv) U.S. Citizenship Required

**Zscaler Network Security Engineer (Adv) - U.S. Citizenship Required** **Category:** Cyber Security **Main location:** United States, Virginia, Fairfax **Alternate Location(s):** United States, Louisiana, Lafayette **Position ID:** J0226-1475 **Employment Type:** Ful ...

Structural Engineer Team Leader (Cold Formed / Light Gauge)

ADTEK Engineers, Inc. is a multi-disciplinary engineering firm providing comprehensive civil engineering, structural base building design, and specialty engineering services. Our mission is to deliver high-quality, personalized engineering solutions through collaboration, creativity, and strong client r ...

Information System Security Officer (Engineer Info Assurance 4)

Requisition Number: 27373 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $128,887.00 - $184,124.00 Security Clearance: Secret Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a busin ...

Zero Trust Compliance Officer (Engineer Info Assurance 4)

Requisition Number: 27378 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $128,887.00 - $184,124.00 Security Clearance: Top Secret Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a b ...

Enterprise Vulnerability Management Lead (Engineer Info Assurance 4)

Requisition Number: 27367 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $128,887.00 - $184,124.00 Security Clearance: Secret Level of Experience: Senior This opportunity resides with Warfare Systems (WS), a busin ...

Engineer, Senior (S) Test Planning and Management PRTR

Engineer, Senior (S) - Test Planning and Management - PRTR Job Code:2026:0101-012 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description **PENDING CONTRAC ...

Engineer, Senior (TS) Test Planning and Management PRTR

Engineer, Senior (TS) - Test Planning and Management - PRTR Job Code:2026:0101-011 Location:Fairfax, VA FT/PT Status:Full Time Business Sector:Facilities Management and Operations Job Description **PENDING CONTRA ...

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    Software Engineer Pythonjavaawsapi Jobs in Fairfax Job Search Guide, Trends and Insights