Jobs in the United States

25+ jobs

Save this search

Added 14 hours ago
Senior Software Developer
Resource Management Concepts, Inc.
Charleston, SC
Active TS/SCI clearance with the ability to obtain a CI polygraph.
Added 14 hours ago
Senior Database Engineer
Resource Management Concepts, Inc.
Charleston, SC
Active TS/SCI clearance with the ability to obtain a CI polygraph.
Added 17 hours ago
Senior Software Engineer
Boeing Intelligence & Analytics, Inc. (BIA)
MD - Annapolis Junction, MD
As a Senior Full Stack Developer with BI&A you will be supporting an IC Customer working on mission driven applications. Candidates in this role will:
Added 19 hours ago
OP
AI Machine Learning 1-FFPP-8967
Onyx Point, Inc.
Hanover, MD
- $78,000 to $250,000 USD / year
TO BE CONSIDERED FOR THIS POSITION YOU MUST HAVE AN ACTIVE TS/SCI W/ FULL SCOPE POLYGRAPH SECURITY CLEARANCE (U.S. CITIZENSHIP REQUIRED)
Added 22 hours ago
Software Developer
CACI
Bethesda, MD · Bethesda
Full stack developer with Java backend development with Spring Boot
Added 23 hours ago
Software Developer
CACI, INC.-FEDERAL
Bethesda, MD
Full stack developer with Java backend development with Spring Boot
Added 1 day ago
Full-Stack Web Developer - WordPress
CACI, INC.-FEDERAL
Chantilly, VA
CACI is seeking a proactive, cleared Full‑Stack Web Developer who thrives in a fast‑paced environment and enjoys collaborating to create high‑impact solutions. In this role, you will…
Added 1 day ago
Systems Engineer
Radiance Technologies, Inc.
Beavercreek, OH
Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies in the Dayton OH area. Employee ownership, generous 401K, full…
Added 1 day ago
Full-Stack Web Developer - WordPress
CACI
Chantilly, VA · Chantilly
CACI is seeking a proactive, cleared Full‑Stack Web Developer who thrives in a fast‑paced environment and enjoys collaborating to create high‑impact solutions. In this role, you will…
Added 1 day ago
Senior DevOps Engineer, Observability and FinOps
CACI, INC.-FEDERAL
Reston, VA · Rome, NY · Denver, CO
Minimum Clearance Required to Start: TS/SCI with Polygraph
Added 1 day ago
Senior DevOps Engineer, Observability and FinOps
CACI
Reston, VA · Rome, NY · Denver, CO · Reston · Rome · Denver
Minimum Clearance Required to Start: TS/SCI with Polygraph
Added 2 days ago
Software Test Automation Engineer w/ TS/SCI clearance
GD Information Technology, Inc.
United States
Active TS/SCI clearance with the required polygraph.
Added 2 days ago
A
AI Engineer SME
AnaVation
Chantilly, VA
- $95,352.72 to $212,566.06 USD / year
This position requires an active Top Secret (TS) clearance and the ability to obtain SCI access with a CI polygraph. This position is on-site in Chantilly, VA.
Added 2 days ago
W
Artificial Intelligence Machine Learning Skill Level 1
Wyetech
Annapolis Junction, MD
- $20 to $50 USD / hour
Required Clearance: Active TS/SCI with Full Scope Polygraph (in scope within the past 7 years)
Added 2 days ago
Java Cloud Software Engineer
Peraton
Annapolis Junction, MD
Active TS/SCI with current polygraph required
Added 2 days ago
Kubernetes Application Software Engineer
Peraton
Laurel, MD
Active TS/SCI with current Polygraph required
Added 2 days ago
Full Stack Java Cloud Software Engineer
Peraton
Annapolis Junction, MD
Active TS/SCI with current polygraph required
Added 2 days ago
Senior Application Developer
Belay Technologies
Annapolis Junction, MD
Belay Technologies is seeking a Senior Application Developer to join our intel team. You will act as a general-purpose Software Engineer and CNO Reverse Engineer for up-and-coming projects…
Added 2 days ago
Windows System Administrator, Sr.
Unisity, LLC
Annapolis Junction, MD
…appropriate security clearance is required. (e.g. Active TS/SCI security clearance with customer appropriate…
Added 2 days ago
SOFTWARE INTEGRATION ENGINEER - Linux/Bash/Jira - 8+ yrs of Experience - TS/SCI w/Poly clearance is required - ID - 542
Halogen Engineering Group, Inc
Annapolis Junction, MD
Generate documentation for the full software stack.
Added 2 days ago
W
ID Software Integration Engineer (SIE) Level 3
Wyetech
Annapolis Junction, MD
- $82.14 to $103.82 USD / hour
Required Clearance: Active TS/SCI with Full Scope Polygraph
Added 3 days ago
Sr. Full Stack Developer
Ideal Innovations
Bethesda, MD
As a Sr. Full Stack Developer on this program, you will have the opportunity to build strong systems, software, and cloud environments and provide operations and maintenance for critical…
Added 3 days ago
Cognitive AI Engineer SWE
Bigbear.ai
Annapolis Junction, MD
Design, develop, and maintain full-stack applications across frontend and backend systems.
Added 3 days ago
Digital Signal Processing Software Engineer
Booz Allen Hamilton_United States
McLean, VA
Develop full-stack software applications that integrate digital signal processing algorithms and RF theory techniques. Apply leading-edge principles, theories, and concepts and contribute…
Added 3 days ago
Senior Full Stack Developer
LEIDOS, INC.
Reston, VA
Leidos is looking for a Senior Full Stack Developer / Senior Software Engineer to guide the technical support, development, and expansion of our core application ecosystem. In this role,…

Unisity, LLC

Windows System Administrator, Sr.

Annapolis Junction, MD, United States

Apply About employer

Applications open in a new tab.

Job details

Posting language: English
Posted: Oct 28, 2026

Original job description

Unisity, LLC is a Service-Disabled Veteran Owned Small Business providing expert services in the Information Technology fields. We pride ourselves on delivering what is promised, as some would say we "just do". We are highly-qualified, self-driven professionals who work towards a common goal as a team, leading when appropriate and following when needed.

Job Summary:

A Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex, fast-paced program. In this role, the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities include responding to system engineering requests that support operational requirements, as well as engineering, deploying, and sustaining new capabilities within the environment.

Primary Responsibilities:

The selected candidate will be responsible for monitoring test infrastructure systems, applications, and processes to ensure issues are identified, tracked, and resolved in a timely manner. This role also includes supporting server, router, and firewall configuration, as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts, Windows and Linux guest servers, and Virtual Desktop Infrastructure (VDI). Additional responsibilities include:

Maintaining multiple virtual server clusters and addressing system scan findings, vulnerability management patching, and Active Directory configuration issues.
Using enterprise monitoring tools to detect, assess, and respond to alerts.
Providing technical support to partner workgroups on overlapping efforts while maintaining strong interdepartmental collaboration.
Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans, ensuring vulnerabilities are identified and remediated quickly and accurately.
Initiating IAVA responses and system security scans, completing remediation actions, deploying patches and security updates to designated sites, and executing monthly security scans.
Identifying and resolving hardware and software problems.
Proactively notifying customers when test infrastructure delays may affect their ability to complete business functions on time and communicating system outages and publishing status updates to users, as needed.
Authoring and maintaining clear, accurate, and concise documentation.
Responding to calls and emails in a timely and professional manner.
Planning and implementing IT enhancements and supporting project-related work.
Responding to system administration, operations, and maintenance issues on an on-call basis when required.

Basic Qualifications:

Must have at least 7 years of Windows administration experience.
Must have at least 7 years of experience in information security management, with demonstrated expertise in security governance, risk management, compliance, and operational security functions.
Must have at least 5 years of experience with each of the following:
Implementing and managing Windows Active Directory and DNS environments
Creating and managing Group Policy Objects (GPOs)
Microsoft SCCM
Microsoft Exchange administration and Exchange Management Shell
Must have experience with Windows Command Line, PowerShell, and PowerShell scripting.
Strong understanding of advanced security protocols, standards, and information security principles is a must.
Experience with software and security architectures.
Hands-on experience with IAVA management.
Hands-on experience supporting users, optimizing system operations, and monitoring enterprise IT systems.
Commitment to best practices, including compliance with maintenance windows and change control procedures.
Familiarity with Windows and Linux operating systems, VMware, and networking technologies including switches, routers, LANs, and cabling.
Must have strong analytical skills, attention to detail, and the ability to work effectively both independently and as part of a team.

Preferred Qualifications:

Bachelor's degree in Computer Science, Information Technology, or a related technical field and 12 years of prior relevant experience.
Experience documenting and supporting security accreditation and certification activities.
Experience with network security technologies, including multi-domain solutions, PKI, SSPs, and vulnerability assessments.
Experience with data center design and configuration, including rack-and-stack, power planning, and equipment placement.
Experience with VMware.
Experience using automation tools such as Ansible or SaltStack.
Experience serving in a System Administrator role supporting software configuration management and development environments.

Due to federal contract requirements, United States Citizenship and position appropriate security clearance is required. (e.g. Active TS/SCI security clearance with customer appropriate polygraph).

Salary Range: Coming Soon (Annually)

Annual Compensation Figures listed for this position serve as a general guideline and are not a guarantee of compensation. Compensation will vary dependent upon factors including but not limited to: Government contract rates; education; relevant prior work experience, knowledge, skills, and competencies; certifications, and geographic location.

Benefits Package:

Unisity, LLC believes in generously supporting employees as they prepare for retirement. The company automatically contributes an additional 12% of each employee's gross compensation to the company 401k plan, with no requirement for employee matching. All contributions are fully vested from day one, ensuring immediate ownership of retirement funds.

Full-time employees have the option to participate in a variety of voluntary benefit plans including:

A Choice of Medical Plan Options, some with Health Savings Account (HSA)
Vision and Dental
Unisity, LLC provides an additional 12% of employee's gross compensation to be used for benefits, any remaining funds are then forwarded to the employee as taxable income
Life and AD&D Benefits (Company Paid)
Short and Long-Term Disability (Company Paid)

Unisity, LLC 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 status as a protected veteran.

Affirmative Action Statement:

Unisity, LLC is committed to the principles of affirmative action in all hiring and employment for minorities, women, individuals with disabilities, and protected veterans.

Accommodations:

Unisity, LLC is committed to providing an inclusive and accessible hiring process. If you need any accommodations during the application or interview process, please contact us at staffing@unisity.tech. We are happy to provide reasonable accommodations to ensure equal access to all candidates.

Apply About employer

Report this job