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Washington, District of Columbia

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Today

Koniag Emerging Technologies, LLC a Koniag Government Services Company, is seeking a Senior Linux Administrator with a Secret security clearance to support KET and our government customer in Washington, DC. We offer competitive compensation and an extraordinary benefits package including health, dental and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three weeks paid time off, and more. The Senior Linux Administrator should have experience implementin

Full-time

USD 150,000.00 per year

Senior Linux Administrator Team Lead

Falls Church, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Critical Systems, Enterprise Systems, Software Updates, System Administration, Technical Issues Certifications: CompTIA Security+ CE | CompTIA - CompTIA, Red Hat Certified Engineer (RHCE) | Red Hat - Red Hat Experience: 5 + years of related experience ship Require

Full-time

USD 127,500.00 - 172,500.00 per year

Senior Systems Administrator - Linux

Fort Belvoir, Virginia

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Today

Leidos is seeking a Linux Administrator to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expected t

Full-time

USD 92,300.00 - 166,850.00 per year

Systems Administrator, Senior (Linux/Windows)

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with Linux and Windows administration experience to support a Special Access Program, operating in highly secure, complex environments where precision and reliability are essential. This role focuses on owning and optimizing enterprise Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier support fo

Full-time

USD 140,000.00 per year

Senior Linux System Administrator

Laurel, Maryland

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Today

MANTECH seeks a motivated, career-driven, and customer-focused Senior Linux and VMWare System Administrator to join our team in Laurel, MD. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO?s Enterprise Information Technology (EIT), the foundation for enterprise-wide services. As a Senior System Administrator, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support

Full-time

Senior Linux System Administrator

Fort Meade, Maryland

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Today

Overview The Linux System Administrator manages the day-to-day operations of Linux servers, ensuring system stability, security, and efficiency. This role involves troubleshooting issues, automating tasks, and supporting development or operations teams. Required Qualifications A Bachelor's degree in a related fieldMinimum of 10 years experience as a Linux System Administrator / Engineering Extensive experience installing, configuring, maintaining JBoss VMWare VM creation, configuration, and o

Full-time

Sr. System Administrator / System Engineer - Linux

Fort Meade, Maryland

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Today

This role is in support of a high viability mission environment. Hours are M-F, 8am-5pm (flexible). Candidates must be available for after hours and call in, and/or available to support 24/7 if needed. Requirements TS/SCI FSP Clearance Currently holds or recently held SYS3 PRIVAC level Security+ Certification Minimum of 10 years experience as a Linux System Admin/Engineer Linux (CentOS/RHEL) VMWare VM creation, configuration, and operation experience Linux Admin Certification desired Extensive

Full-time

Lead CyberArk Security Engineer

McLean, Virginia

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Today

Job ID: 1047 (174274-BH) Position: Lead CyberArk Security Engineer (Guru) - (13+ yrs.) Client: Freddie Mac Location: Mclean, VA / Plano, TX (Onsite) Duration: 3+ Months (with possible extension) Pay Rate: $90-$95/hr. on W2 Visa: & (Locals) MOI: 2 rounds 1 onsite Must Haves Zero Trust / Just-In-Time CyberArk SaaS solution CyberArk SIA/SCA Automation (development) experience Infrastructure experience / hands-on Self-hosted on-premises (on-prem) Candidates must have worked with CyberArk in

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Contract

Compensation information provided in the description

Information Security/Privacy Analyst III

North Bethesda, Maryland

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26d ago

Role Summary The Tier 3 Security Operations Center (SOC) Analyst is a senior-level cybersecurity professional responsible for monitoring, analyzing, and responding to complex security events across multiple data sources. This role includes providing leadership and mentorship to Tier 1 and Tier 2 analysts, overseeing shift operations, and ensuring the timely detection and mitigation of security incidents. The position requires strong technical expertise, excellent communication skills, and the ab

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Contract, Third Party

Depends on Experience

Senior Vulnerability Engineer

Washington, District of Columbia

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Today

Location: Remote (EST) Employment Type: W2 only Clearance: Public Trust eligibility required Job Description Vulnerability Engineer Seeking a Senior Vulnerability Engineer to support enterprise vulnerability management, exposure management, compliance auditing, and web application scanning operations across hybrid cloud and on-premises environments. This role is responsible for engineering and optimizing vulnerability management capabilities using Tenable One, Nessus, and Tenable Web App Scan

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Contract

Senior DevOps Systems Engineer with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite

Maryland

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2d ago

Senior DevOps Systems Engineer with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite in Annapolis Junction, MD We are looking for a strong Senior DevOps Systems Engineer to augment the existing platform team for a large analytic cloud repository. The successful DevOps Systems Engineer for this position has experience working with large Hadoop and Accumulo based clusters, a strong background in Linux OS development, and a familiarity with open-source technologies.

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Full-time

$180,000 - $250,000

Senior Telecom Software Engineer (TS/SCI clearance)

Herndon, Virginia

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10d ago

Senior Telecom Software Engineer TS/SCI clearance Herndon, VA Responsibilities: Conduct telecommunications network analysis, diagnostics, and performance remediation with expertise in protocols such as SS7, SIP, VoIP, TCP/IP, and Diameter across 2G, 3G, 4G VoLTE, and 5G networks. Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues. Provide technical support to the CONUS

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Full-time

Depends on Experience

Senior Data Systems Engineer with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite - M

Maryland

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2d ago

Senior Data Systems Engineer with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite in Annapolis Junction, MD The Data Systems Engineer will support a suite of web-based applications that automate data management for the data custodians. The Data Systems Engineer will facilitate the capture of information and approvals that allow for the movement of data through the customer mission space in a compliant manner. These products are critical to standardize and simpl

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Full-time

$175,000 - $225,000

Cyber Defense Forensics (CDF) Lead

Arlington, Virginia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 116,900.00 - 243,100.00 per year

Senior Cloud Systems Administrator (Azure)

Hybrid in Herndon, Virginia

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5d ago

Contract Details - Work Mode: Hybrid (onsite in Herndon, VA at least 3 days/week) - Location: Herndon, VA - Schedule: 40 hours/week - Duration: 06/01/2026 to 05/31/2027 - Conversion: Potential to convert to full-time (contract-to-hire potential) About the Opportunity The Senior Cloud Systems Administrator will design, implement, and operate enterprise server and application services across on-prem and Azure environments. You will own availability, performance, security hardening, and patch/vulne

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Contract

Depends on Experience

Cyber Incident Response Team (CIRT) Lead

Arlington, Virginia

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Today

Full-time

USD 116,900.00 - 243,100.00 per year

Monitoring Lead- Application Hosting

Washington, District of Columbia

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3d ago

Monitoring Lead- Application Hosting Location: Washington, DC Type: Contract Compensation: $63.34/h Onsite onsite Security Clearance: Public Trust Required Overview Youll lead monitoring for application hosting- improving alert quality, building dashboards, and integrating tools (especiallyOpenText OBM/Operations Bridge/SiteScopeandSCOM) to support 24x7 operations. Requires7+ yearsmonitoring/IT ops experience, strong scripting (PowerShell/VBScript), andU.S. citizenship + Public Trust. Responsib

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Third Party, Contract

$63.3377

Senior System Administrator

Suitland-Silver Hill, Maryland

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Today

Overview SilverEdge is a premier provider of innovative cyber, software and intelligence solutions addressing everyday challenges to meet mission goals across the DOD and Intel Communities and beyond. We are seeking a System Administrator to perform a crucial role on a prime contract. Your daily duties will include, but not limited too: Maintain and develop system documentation to include product guides/manuals, SOPs, work logs and the Helpdesk ticket systemProvide system administration support

Full-time

Linux Engineer, Senior

Bethesda, Maryland

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Today

Resource Management Concepts, Inc. (RMC) delivers premier professional services to both government and commercial clients. We are committed to providing innovative management and technology solutions that help protect and preserve the people and environment of the United States. We are on the lookout for a skilled Senior Linux Engineer to join our dynamic team in support of our Navy clients in Bethesda, Maryland. The successful candidate will play a pivotal role in ensuring the stability and se

Full-time

USD 140,000.00 - 190,000.00 per year

Senior Systems Engineer

Reston, Virginia

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Today

Overview VTG is seeking a Senior Systems Engineer to strategically safeguard critical national security interests by leveraging advanced systems intelligence and precision-targeted cyber capabilities. What will you do? We are seeking a System Engineer/Administrator with knowledge of Linux responsible for effective installation/configuration, operation, and maintenance of systems hardware and software and related infrastructure.This individual is accountable for Linux, and application-based sys

Full-time

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