Senior Dot Net Developer Jobs in Washington (NOW HIRING)

Job Title: Sr .Net Developer
Clearance Required: Public Trust – Federal Client requires US Citizenship
Work Location: Hybrid, Arlington, VA.

Alpha Omega is seeking a highly skilled Sr .Net Developer for a Remote position on one of our prime Federal projects in Arlington, VA. 

Ideal candidate has previous experience working with federal and large commercial clients, financial, insurance and banking with a strong emphasis on user experience, usability, client interaction, customer satisfaction, and a clear understanding of new and emerging technologies.

Key Responsibilities:

• Support Mission Critical complex large scale application development and maintenance.
• Provide Tier 3 support for public facing applications.
• Design and develop quick prototypes.
• Develop documentation throughout the software development life cycle.
• Upgrading, configuring and debugging existing systems.
• Provider development support on-premises application.
• Participate on an agile O/M team.
• Revise, update, refactor and debug code.
• Serve as an expert on applications and provide technical support.

Required Qualifications:

Education:

• BS/BA in Computer Science, Information Systems Management, or similar degree.

Experience/Skills:

• Federal agency requires US Citizenship.
• Proficient communication, facilitation, mediation, and verbal and written communication skills to be demonstrated upon interview.
• Client-facing skills are required.
• 7+ years of experience in Microsoft legacy environment, ASP (Classic/Native), VB.NET, DLLs, COM+.
• Must have experience with Azure cloud environment, IIS Server on VMs.
• Experience with Active Directory, ADFS and Azure Entra.
• Experience with GitHub Enterprise, Azure DevOps, Microsoft TFS and CI/CD pipelines.
• Must have experience with SQL Server.
• Must have Experience with Stored Procedures and SSIS Packages.
• Possess high attention to detail with ability to follow detailed Standard Operating Procedures.
• Experience in solving complex business issues- strong analytical and problem-solving skills.
• Must have excellent time management and task prioritization skills.
• Must have excellent verbal and written communication skills.

Preferred Qualifications:

• Full stack development experience
• Experience working directly with technical and business teams.
• Experience with Java and Spring boot is plus
• Knowledge of SDLC, IT governance and operations
• Comprehensive knowledge of hardware, software, and application dependencies.

Salary and Benefit Information:

The likely salary range for this position is $115,000 - $150,000. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range.

Application Deadline: October 28, 2026

Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth in the company’s policy and benefits manuals. See below, to name a few:

• PTO including paid parental, military, and bereavement leave
• Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year)
• Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
• Life Insurance, STD/LTD term disability coverage, with employer paid premiums
• 401 (k) plan with a match that is 100% vested after you complete two years of service
• FSA/DFSA/HSA flexible benefit plans
• Annual Tuition & Professional Development Reimbursement benefit

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Culture and Values:

Guided by our core values—Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)— we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work.

Through our H.E.A.R.T. Awards Program, colleagues and managers can recognize each other for actions that exemplify these values. Recognized employees receive a detailed nomination highlighting their contributions, which is shared with their manager. Each quarter, select nominees have the opportunity to receive a monetary bonus as an extra thank-you for their impact.

Our Company:

Alpha Omega is an award-winning Federal IT solutions provider dedicated to delivering mission-enabling technology and strategic solutions across the National Security, Federal Financial, Healthcare, and Space & Science domains. Since our founding in 2016, we have grown to over 800 employees nationwide with $230m in revenue. With the January 2025 acquisitions of SeKON and Macro Solutions, we have expanded our capabilities to further support our customers in digital modernization, artificial intelligence, and cybersecurity. 

We are committed to supporting our agency partners as they transform their operations, delivering on our purpose to ensure the safety, security, and well-being of future generations:

• National Security – Supporting agencies such as the Department of Homeland Security (DHS) and the Department of State. 
• Federal Financial – We bring deep expertise in enterprise financial systems, supporting agencies like the Securities and Exchange Commission (SEC) and the Federal Deposit Insurance Corporation (FDIC). 
• Healthcare – Our Health IT capabilities, enhance health outcomes for the warfighter via the Defense Health Agency (DHA) and support public health initiatives at the Centers for Disease Control and Prevention (CDC), National Institutes of Health (NIH), and the Substance Abuse and Mental Health Services Administration (SAMHSA). 
• Space & Science – We leverage technology to advance agricultural sustainability, secure our nation’s food supply, and prepare for natural disasters, working with the National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA). 

Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future. 

Alpha Omega Integration, LLC (Alpha Omega) is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.

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