Showing page 11 of 41 (Total listings: 807)
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Radford, Virginia
Oct 7, 2026

hackajob is collaborating with TekSynap to connect them with exceptional professionals for this role. We are seeking a Senior Windows Administrator to join our team supporting an ITES task order. REQUIRED QUALIFICATIONS Experience Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task automation using PowerShell. Five (5) years of installing, configuring, maintaining, and troubleshooting applications/websites (e.g., IIS, Apache). Five (5) years working in compl…

Senior Storage Architect

MANTECH ✓ Verified
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Laurel, Prince George's County
Sep 12, 2026

MANTECH seeks a motivated, career and customer-oriented Senior Storage Architect to join our team in Laurel, MD. Join Mantech’s mission-focused national security team delivering enterprise infrastructure capabilities for a global workforce. This role will support the Intelligence Community’s Enterprise Information Technology (EIT) platform in Maryland. This role supports infrastructure associated with Data Center & Computing Services, Integrated Product Teams (IPT), and vendors to deliver servi…

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US
Aug 24, 2026

Title: Z/os Network System Admin Location: Remote Type: Long Term Contract Rate: $Open/hr. Requirements Must-Have Skills Hands-on experience with IBM z/OS Communication Server Strong knowledge of VTAM, TCP/IP, TN3270, FTP, Policy Agent & SMTP z/OS environment access, navigation and administration TSO, ISPF, JCL, VSAM & catalog management z/OS and JES2 operator commands TSO/REXX, TSO/CLIST or SAS scripting for automation Mainframe connectivity supporting MQ, DB2, CICS and related middleware Fil…

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Sacramento, Sacramento County
Aug 26, 2026

Sunnyvale, CA California Full time R14647 About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to …

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Huntington, Orange County
Aug 26, 2026

Sunnyvale, CA California Full time R14647 About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to …

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Sunnyvale, Santa Clara County
Aug 26, 2026

Sunnyvale, CA California Full time R14647 About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to …

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Pico Heights, Los Angeles County
Aug 26, 2026

Sunnyvale, CA California Full time R14647 About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to …

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San Diego, San Diego County
Aug 26, 2026

Sunnyvale, CA California Full time R14647 About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to …

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SoMa, San Francisco
Aug 26, 2026

Sunnyvale, CA California Full time R14647 About Us: Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple: safeguard the digital world and empower people to …

Software Engineer - Secret Clearance

Webster & Webster Associates ✓ Verified
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Huntsville, Madison County
Jul 19, 2026

Global Security company seeks seasoned Software Engineer. Ideal candidates are technically strong, take pride in tackling challenges and get excited about owning critical services. REQUIRED SKILLS/EXPERIENCE Experience with Real-Time Operating Systems (RTOS, QNX, VxWorks, ThreadX, Integrity, FreeRTOS, MQX, etc.) Extensive experience developing embedded software C/C++ programming language Ability to work independently and with a team Ability to work on US government engagements Secret or Top-Sec…

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State Farm, Arlington County
May 25, 2026

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in t…

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State Farm, Arlington County
Sep 23, 2026

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in t…

Security (SOC) Analyst with Security Clearance

UltraViolet Cyber Federal, LLC ✓ Verified
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Herndon, Fairfax County
Jul 28, 2026

UltraViolet Cyber is a leading platform-enabled unified security operations company providing a comprehensive suite of security operations solutions. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams. By creating continuously optimized identificatio…

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Chantilly, Fairfax County
Sep 15, 2026

Job Title: Cyber Technical Operator - Cellular Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity : CACI is seeking a talented Technical Operator to join our team in Chantilly, VA. In this role, you'll be responsible for supporting efforts to develop technical solutions to secure mobile infrastructure. You will establish alte…

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South, Arlington County
Jul 15, 2026

Network Based Systems Analyst III Arlington, VA Systems Analyst – 0008-0003 / Full-time / On-site apply for this job About ARSIEM Corporation At ARSIEM Corporation we are committed to fostering a proven and trusted partnership with our government clients. We provide support to multiple agencies across the United States Government. ARSIEM has an experienced workforce of qualified professionals committed to providing the best possible support. As demand increases, ARSIEM continues to provide reli…

IT Security Specialist

SourcePro Search ✓ Verified
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Philadelphia, Philadelphia County
Jul 19, 2026

SourcePro Search has a fantastic opportunity for an experienced IT Security Specialist with at least 8-years of experience defining, deploying, monitoring and maintaining physical security, IT security architecture, infrastructure platforms, application security, tool administration/management and related business processes and workflows. This role offers a competitive salary as well as excellent benefits as well as growth potential within a large global company. Requirements: Bachelor’s Degree…

Senior Software Developer

Avid Technology Professionals ✓ Verified
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Bethesda, Montgomery County
Jun 23, 2026

• TS/SCI w/Poly clearance • Bachelor’s degree and 8 years of experience. In lieu of a bachelor’s degree 10 years of experience if AA/AS, or 12 and HS Diploma • Must have experience with Agile • Excellent problem-solving skills and the ability to work autonomously • Versatility to handle multiple aspects of software development and support • Strong communication skills to liaise with stakeholders and users • Experience producing high-quality work independently while adapting agile principles to …

Network Specialist

Quantum Sky ✓ Verified
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Mountain Home, Elmore County
Oct 4, 2026

Description Quantum Sky is searching for a Network Specialist to support our NE&S contract at Mountain Home AFB, ID. The Network Specialist ensures that the Department of Defense (DoD) Defense Health Agency (DHA) LAN/WAN provides all required services, by supporting the network infrastructure with on-site troubleshooting and problem resolution. Responsibilities: Provides daily operational support for the LAN core and edge switches across the medical network campus Resolves technical issues as…

Network Specialist

Quantum Sky ✓ Verified
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Rapid City, Pennington County
Oct 17, 2026

Description Quantum Sky is searching for a Network Specialist to support our NE&S contract at Ellsworth, AFB. The Network Specialist ensures that the Department of Defense (DoD) Defense Health Agency (DHA) LAN/WAN provides all required services, by supporting the network infrastructure with on-site troubleshooting and problem resolution. Responsibilities: Provides daily operational support for the LAN core and edge switches across the medical network campus Resolves technical issues associate…

Senior Exchange Administrator with Security Clearance

CommIT Enterprises, Inc. ✓ Verified
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Triangle, Prince William County
Jul 29, 2026

CommIT Enterprises, Inc. is seeking a Senior Exchange Administrator in Quantico, VA (relocation assistance available!) to support an enterprise hybrid environment of O365 and Exchange 2019 environments on both unclassified and classified networks, supporting over 260,000 users across multiple AD domains. The messaging environment consists of Microsoft Exchange Online mail services, on-premises Exchange 2019 servers, Intune Mobility Services, NetApp backup and restore solutions, along with Unity…

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