Senior Software Integration Engineer
$107.9k - $195.05kLeidos
Description
The GEOAxIS system provides Identity, Credential and Access Management (ICAM) for web applications. GEOAxIS enables online, on-demand, access to NGA GEOINT content based on user’s authoritative attributes/roles. Our Mission is to maintain highly available ICAM services for protecting those critical mission applications across multiple security domains. The GxNext contract was awarded to Leidos in 2021 and runs until 2031.
In this role, you’ll work directly with the Consumer Integration team in Chantilly, Virginia to meet deadlines and improve their technical procedures. You will enjoy learning new concepts and technologies and will brief status and capabilities to technical and non-technical audiences as you support them throughout their integration. Day-to-day, you’ll be working with consumers of Gx services all over the world to support their mission activities.
Responsibilities:
Leverage project management skills to manage a client’s integration with our services
Debug software issues, investigate root causes, and recommend fixes
Brief Program and/or Customer leadership; Communicate to clients and partners aspects of both the product and the implementation at the technical and functional level appropriate for the situation
Implement, evolve, and support authentication, Single Sign On (SSO), Security Assertion Markup Language (SAML), federation, and cloud infrastructure
Implement methods, standards, and approaches for describing, analyzing, and documenting an organization's enterprise IT architecture
Perform software testing or validation procedures, improving the procedures as needed
Perform system integration and experience integrating services from different systems
Help remove impediments and raise larger issues to the Program Leadership
Feeding the CI/CD pipeline – requirements gathering through usability sessions
Basic Qualifications:
Active TS SCI Clearance, CI Poly eligible; Must be a US Citizen
Bachelor’s degree or equivalent work experience with 8 years of relevant work experience or master’s degree with 6 years of prior relevant experience
Excellent written and verbal communication skills and extensive experience working with external
Demonstrated ability to document processes/ procedures
Ability to recognize when the client requires customizations to a standard solution
Ability to debug software issues, investigate root causes, and recommend fixes
SEC+ certification or DoD 8570 IAT Level II certification, or ability to attain certification within 60 days of start
Preferred Qualifications:
Active TS SCI clearance with CI Poly
Active CompTIA Sec+ Certification
Demonstrated experience in strong authentication technologies and protocols (e.g., PKI, SSL)
System administration skills with Linux systems
Knowledge of software development lifecycle (SDLC), Scrum, and Agile processes
Knowledge of Oracle Identity and Access Management (IdAM) suite, including Oracle Access Manager (OAM), and Oracle Unified Directory (OUD)
Knowledge of Ping, Kubernetes, Docker, and Ansible
Knowledge of authentication standards using OAuth, SAML, or PKI
Knowledge of open standards such as REST, SOAP, JSON, LDAP
Knowledge of Authentication (AuthN), Authorization (AuthZ), Digital Policy Management (DPM), Entitlement Management (EM), and Authoritative Attributes (AuthA)
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
August 28, 2026For 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.
Pay Range:
Pay Range $107,900.00 - $195,050.00The Leidos pay range for this job level 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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at .
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at .
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the .
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
$107.9k - $195.05k
...2031. In this role, you’ll work directly with the Consumer Integration team in Chantilly, Virginia to meet deadlines and improve their... ...to manage a client’s integration with our services Debug software issues, investigate root causes, and recommend fixes...SeniorContract workWork experience placementLocal areaImmediate start$196k - $310.5k
...driving tradeoff analysis, system integration, and POR alignment across the... ...with some of the most motivated engineers in the industry. We're looking for a Senior Memory Systems Engineer to own HBM... ...silicon, package, embedded software, testing, and product development...SeniorFull timeRemote work$140k - $160k
...DevSecOps practice developing APIs and integration capabilities to connect data, services,... ...perform root cause analysis, and develop software updates and ‘fixes’ Develop APIs, micro-... ...contributor and mentor more junior team members Engineer and implement solutions and provide...Senior$110k - $195k
OverviewVTG is seeking a Senior Systems Integrator located in Springfield, VA. Senior-level Systems Integrators support the Government by leading... ...domains.Assists with overseeing the preparation of engineering plans and site installation technical design packages.Guides...SeniorFor contractorsWork experience placement- ...Unified Communications Senior Engineer***Requires an active TS/SCI Security Clearance*** What Impact You'll Have: The Unified Communications... ...clusters and endpoints. Quickly respond to issues regarding software application/hardware related issues, resolve on the spot...SeniorWork at office
$103.8k - $218.1k
Job Title: Senior Field Integration EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee... ...:CACI is looking to hire a Senior Field Integration Engineer to join our Software Integration and Test Team, focusing on customer-...SeniorContract workWork experience placementFlexible hours$69.55k - $125.73k
...2031. In this role, you’ll work directly with the Consumer Integration team in Chantilly, Virginia to meet deadlines and improve their... ...integrating services from different systems Troubleshoot software issues, investigate root causes, and recommend fixes...Contract workWork experience placementLocal areaImmediate start$82.1k - $172.4k
Job Title: Senior Systems IntegratorJob Category: Information TechnologyTime... ...6The Opportunity:Lead systems integration for GEOINT capabilities... ...operations teams, and program engineers.Responsibilities:Lead integration and deployment of software releases into Government test...SeniorContract workWork experience placementFlexible hours- ...solutions. ANSER values collaboration, integrity, and initiative and we are client focused... ...Position Summary ANSER is seeking a Senior Systems Integrator to lead enterprise-level... ...• Oversee development and execution of engineering plans and technical design packages. •...Senior
$120.8k - $265.8k
Job Title: Senior Network EngineerJob Category: Information TechnologyTime Type: Full timeMinimum... ...* * *The Opportunity:The Senior Network Engineer supports leadership on the program to... ...systems analysis, design, and integration advice on complex matters that require expert...SeniorContract workWork experience placementLocal areaFlexible hours- ...Management Business Unit currently has an opening for a Network Engineering SME to support a Department of State (DoS) Bureau of... ...technologies. Uses monitoring, performance analysis, network management, software and hardware equipment to troubleshoot and isolate problems;...SeniorWork at office
- Position: Senior Consultant, Data Integration Engineering Location: Arlington, VAJob Id: 254 # of Openings... ...Computer Science, Information Systems, Data Engineering, Software Engineering, or related technical field.6+ years of...Senior
$140k - $150k
...Senior Network EngineerOur work depends on a Sr. Network Engineer with TS/SCI security clearance and willing to take CI Polygraph... ...and maintenance (O&M), system integration/deployment and solution... ...networksDiagnosing hardware and software problems and replacing defective...Senior$102.16k - $155k
...cybersecurity, network architecture, reverse engineering, software and hardware development uniquely... ...119,000 - $169,413What you will doThe Senior Network Engineer is responsible for... ...Supports the planning, development, and integration, and transition to O&M- Developing and...SeniorFull timeLocal areaWorldwide- ...Senior Network Engineer This position is part of HII's Mission Technologies division, which plays... ...reconfigurations, hardware and software acquisitions, installation, testing)... ...Supports the planning, development, and integration, and transition to O&M Developing...Senior
- ...Job Description Job Description Senior System Integration & Test EngineerCompetitive Salary (Based... ...contractor job.Join a mission-focused engineering team integrating and testing complex RF-, embedded-, hardware-, and software-intensive systems for national defense...SeniorFull timeTemporary workFor contractorsFor subcontractorRelocationRelocation packageFlexible hours
- ...Division's Headquarters. Founded in 2007 by an Engineer-by-trade, Fusion Technology dedicates... ...team via Agile.Requires experience in software/R&D environments.Ability to effectively... ...of employee compensation but an integral part of recruiting and retaining qualified...SeniorTemporary workWork at office
$86.6k - $181.8k
Job Title: .NET Software Developer, Senior Job Category: Information Technology Time Type: Full... ...for designing, developing, integrating, testing, and sustaining enterprise... ...with Government stakeholders, software engineers, system architects, database administrators...SeniorFull timeContract workWork experience placementFlexible hours- ...Senior Network Engineer FEDITC, LLC is a fast-growing business supporting DoD and other intelligence agencies worldwide. FEDITC develops... ...Network (HSEN) with a focus on network monitoring, tools integration, and observability. This role combines hands‑on engineering...SeniorFor contractorsWork at officeLocal areaRemote workWorldwide
$75.2k - $158.1k
Job Title: Senior Application DeveloperJob Category: Information... ...features, APIs, and integrations across program services and... ...developers and contribute to engineering standards.Qualifications:Required... ...degree in Computer Science, Software Engineering, or a related technical...SeniorContract workWork experience placementFlexible hours- ...Senior Scrum Master Location: Springfield, VA Clearance: TS/SCI Citizenship: US Citizenship... ...business processes through cutting‑edge software systems. Because at Intellectix, it's... ...processes Advanced knowledge of systems engineering principles, methods, and techniques...SeniorWork experience placement
- ...GDIT is your place to lead, innovate, and drive strategic change. We are seeking a Senior Geospatial Systems Software Engineer with proven experience delivering mission-critical integration for complex, multi-domain DoW environments. In this role, you'll be at the...SeniorWork from home
- ...Job Description Job Description Role Summary: The Senior Network Engineer at Perfecta is responsible for maintaining the design and integrity of the corporate enterprise network, which also includes customer and program enclaves. Responsible for engineering, monitoring...Senior
- Leidos seeks a Network Architect SME to design, deploy, and optimize enterprise application delivery and DDI infrastructure at Fort Belvoir, VA or Albuquerque, NM. You will lead F5 BIG-IP (LTM/GTM) and Infoblox deployments, ensure secure, high-availability networks, and...Senior
$102k - $138k
...Senior Network EngineerGDIT is seeking a Senior Network Engineer to help support our Defense Logistics Agency (DLA IOEE/IOSEE) program in Springfield, VA. This is... ...documenting laboratory assessments of hardware and software for both the classified and unclassified DISN...SeniorContract workTemporary workWork at officeImmediate startRemote workWorldwideFlexible hoursNight shift1 day per week- Leidos is seeking a Network Architect SME to lead design, deployment, and optimization of enterprise application delivery and DDI infrastructure at Fort Belvoir, VA or Albuquerque, NM. The role requires hands-on expertise with F5 BIG-IP (LTM/GTM) and Infoblox, ensuring...Senior
$176k - $282k
...infrastructure and its components. We provide integration for development of hardware and software solutions, and engineering support for the delivery of system, network,... ...solutions.Peraton is seeking an experienced Senior Network Architect, to join our dynamic Network...SeniorContract workFor contractorsWorldwideShift work$140k - $150k
...areas of Cyber Security, Instructional Design and Training, Software Engineering and IT Support Services to improve the security and well... ...more about what it means to serve with MKS2. Senior Cloud Integration Developer Salary: $140 - 150K annually with full benefits...Senior- ...Network Architect: Senior Leads collaboration with executives, teams, and experts to develop and align innovative network modernization... ...Champions best practices and drives continuous improvement by integrating market trends and customer feedback. Crafts and presents...Senior
$170k - $210k
...Commitment (LOC). Responsibilities We are seeking Systems Integrator - INE Senior SME for the COMSEC IT Services contract. The... ...technical authority supporting secure network integration, engineering, implementation, troubleshooting, and modernization...SeniorFull timeContract workTemporary workLocal areaMonday to FridayWeekend workDay shiftAfternoon shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Integration Engineer. Be the first to apply!
- senior developer Springfield, VA
- senior aws cloud engineer Springfield, VA
- remote senior salesforce administrator Springfield, VA
- senior manager tax Springfield, VA
- senior tax Springfield, VA
- senior principal cloud computing engineer Springfield, VA
- senior accountant remote Springfield, VA
- senior analyst Springfield, VA
- senior information technology project manager Springfield, VA
- senior implementation engineer Springfield, VA



