TS
Sr System Administrator
full-time•Reston
About this role
Job Title: Sr System Administrator
Location: Reston, VA (Hybrid – 3x/Week)
Salary: DOE + full benefits
Clearance: Active Public Trust (or ability to obtain)
Overview:
TechSur Solutions is a digital services company whose mission is to enable digital transformation for our customers to improve quality and efficiency. Based in the DC metropolitan area, TechSur specializes in advanced cloud services, modernization for both IT structures and applications, leveraging Agile development, and Data Analytics. Since we were formed in August of 2016, we have supported multiple impactful and exciting government programs.
Job Summary
We are seeking a highly skilled Senior System Administrator with 8+ years of experience supporting enterprise infrastructure across Linux, Azure, and AWS environments. The ideal candidate will have strong expertise in cloud administration, automation, security compliance, identity modernization, and application migration. This role supports mission-critical systems, works closely with security teams on ATO processes, and partners with multiple divisions to deliver secure, scalable, and modern infrastructure solutions.
Responsibilities
- Administer and support Linux-based systems in on-premises and cloud environments.
- Serve as JIRA and Confluence Administrator, including configuration, user management, workflows, and space administration.
- Support STP processes, data transfer tasks, system migrations, and certifications across environments.
- Modernize authentication for SFD and WSG applications (55+) using SSO and PIV as MFA.
- Develop automation for infrastructure provisioning, application deployments, and tool upgrades using GitHub Actions, Terraform, Bash, and PowerShell.
- Automate database refresh processes, including schema and data copy from Production to lower environments.
- Implement automation for database password rotation and application redeployment on a regular cadence.
- Ensure security and compliance with standards across Azure toolchains and infrastructure.
- Lead and support application migrations from on-premises to Azure.
- Develop and maintain Data Flow Diagrams (DFDs) and Entity Relationship Diagrams (ERDs).
- Demonstrate deep understanding of data relationships, application architecture, and system interactions.
- Provide recommendations to improve security posture, monitoring, and observability using AIOps.
- Identify opportunities for cost optimization, workload scaling, database performance tuning, and infrastructure efficiency.
- Work closely with Security teams on ATO processes and onboarding of new services.
- Support and advise teams across various divisions in Azure cloud environments.
Required Qualifications
- 8+ years of experience as a System Administrator or similar role.
- Strong hands-on experience with Linux system administration.
- Proven experience administering Azure and AWS cloud environments.
- Experience with CI/CD and automation tools (GitHub Actions, Terraform, Bash, PowerShell).
- Solid understanding of identity and access management, SSO, MFA, and PIV authentication.
- Experience with application and database migrations to cloud platforms.
- Knowledge of security frameworks, compliance standards, and ATO processes.
- Strong documentation and collaboration skills.
Preferred Qualifications
- Azure and/or AWS certifications.
- Experience supporting federal or highly regulated environments.
- Familiarity with AIOps, monitoring platforms, and cost management tools.
- Experience working across large, multi-division organizations.
Education
- Bachelor’s degree in information technology, Computer Science, or related field (preferred)
What you'll do
- The Senior System Administrator will administer and support Linux-based systems in both on-premises and cloud environments while leading application migrations to Azure. They will also develop automation for infrastructure provisioning and ensure security compliance across Azure toolchains.
About Techsur Solutions LLC
TechSur Solutions (SDB, 8(a), EDWOSB, WOSB): a strategic provider of emerging technology and digital transformation services for federal agencies, specializing in comprehensive solutions across application modernization, data services, and artificial intelligence. TechSur’s main capabilities include Artificial Intelligence, Customer Experience, Digital Services, Low-Code/No-Code Development, Strategic Communications, and Technology Consulting, all applied with approaches centering on Agile Methodologies and DevSecOps.
Recognitions: TechSur Solutions has been recognized twice on the Washington Technology's Fast50 list of fastest-growing small Government Contractor and placed on the Inc. 5000 list for 2 consecutive years. We are proud to be an OrangeSlices 2024 Elev8 GovCon honoree, recognizing government contractors who are “doing it right” in 8 key areas. Additionally, both an Artificial Intelligence solution delivered by TechSur Solutions and a digital modernization solution were honored with a FORUM Disruptive Technology Award, recognizing innovators who are positively transforming how Government fulfills its missions.
Careers: Join a team of technical experts passionate about making a significant impact with software solutions. Beware of recruitment scams; genuine TechSur job offers only come through ADP. We never request financial commitments during the hiring process.
Certifications & Vehicles:
* ISO Certifications: ISO 9001:2015, ISO 27001:2022, ISO 20000-1:2018
* CMMI Levels: CMMI SVC ML3, CMMI DEV ML3
* Federal Contracting Vehicles: GSA MAS, GSA 8(a) STARS III, GSA Oasis+, Navy SeaPort NxG
* UEI (SAM): NAQUNHC61KN9
* CAGE Code: 81J81
Partnerships:
* Joint Ventures: Collaborations with Guidehouse (TechSur-Guidehouse JV) and REI Systems (FusionEdge Solutions)
* Technology Partner Programs: Google Cloud, AWS, Oracle Cloud, Databricks, OutSystems, Salesforce, Snowflake, Datadog
* Professional Associations: AFCEA, GTSC
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Frequently Asked Questions
What does a Sr System Administrator do at Techsur Solutions LLC?
As a Sr System Administrator at Techsur Solutions LLC, you will: the Senior System Administrator will administer and support Linux-based systems in both on-premises and cloud environments while leading application migrations to Azure. They will also develop automation for infrastructure provisioning and ensure security compliance across Azure toolchains..
Is the Sr System Administrator position at Techsur Solutions LLC remote?
The Sr System Administrator position at Techsur Solutions LLC is based in Reston, Virginia, United States. Contact the company through Clera for specific work arrangement details.
How do I apply for the Sr System Administrator position at Techsur Solutions LLC?
You can apply for the Sr System Administrator position at Techsur Solutions LLCdirectly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process.