• Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …and performance of the current environment. + Configure and maintain key services such as DNS , SFTP, SMTP, and NTP. + Manage a large pool of local users via command ... and recovery operations. + Three (3) years configuring and maintaining services: DNS , SFTP, SMTP, and NTP. + Strong team collaboration and communication skills.… more
    TekSynap (10/25/25)
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  • Senior Citrix Administrator

    TekSynap (Radford, VA)
    …with complex networking solutions; strong understanding of networking fundamentals (TCP/IP, DNS , DHCP, SMTP, SNMP). + Three (3) years of experience supporting ... + Three (3) years configuring and supporting essential services such as DNS , SFTP, SMTP, and NTP. + Strong collaboration and interpersonal communication skills.… more
    TekSynap (10/25/25)
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  • Cloud Security Engineer

    Leidos (VA)
    …with AWS cloud infrastructure. + Experience with Networking (eg AWS VPC, DNS , CIDR/Routing). + Experience implementing compliance with government regulations such as ... FedRAMP, FISMA, and NIST 800-53. + Strong problem-solving skills and ability to work in a fast-paced environment.Strong analytical and critical thinking abilities. + Ability to work independently and as part of a team. + Proficient in navigating electronic… more
    Leidos (12/30/25)
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  • IT Support Engineer - SNOC, Amazon Leo…

    Amazon (Arlington, VA)
    …active TS/SCI security clearance. Basic Qualifications - 4+ years of networking (such as DNS , DHCP, SSL, OSI Model, and TCP/IP) experience - 4+ years of technical ... support experience - 4+ years of corporate setting Windows, Mac or Linux Operating systems support experience - Bachelor's degree in IT, computer science or equivalent Preferred Qualifications - Experience supporting video conference and teleconference… more
    Amazon (12/30/25)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    …using Satellite Capsules for distributed content delivery and local services like DHCP/ DNS in large or remote setups. It centralizes RHEL management, improving ... security and efficiency by handling subscription management, content views, and system auditing from a single console. + Basic understanding of Red Hat command line tools: System Management, Manage RPM packages, and Package Management. **Certifications:** +… more
    Leidos (12/30/25)
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  • Systems Engineer 4

    M. C. Dean (Vienna, VA)
    …Deployment and Administration. + Microsoft Windows 10 Deployment and Administration. + DNS , DFS, and DHCP. + Windows Server Update Services (WSUS), Key Management ... Service (KMS) + Active Directory and defining, implementing, and maintaining Group Policy. + Data center networking fundamentals (experience with software defined data center networks a plus. + Data center storage fundamentals (experience with SAN protocols… more
    M. C. Dean (12/30/25)
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  • Network Specialist

    SAIC (Springfield, VA)
    …switching, TCP/IP subnetting & routing (static & dynamic), DHCP, DNS , Cisco network equipment (routers, switches, firewalls, etc.). **Additional Responsibilities:** ... + Provides support in various endeavors sponsored by the Diplomatic Technology (DT) Bureau in support of the Department of State DT technical mission, including inventory control, excess of obsolete equipment, periodic housekeeping/ deep cleaning, office… more
    SAIC (12/30/25)
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  • Cybersecurity-Staff

    Intermountain Health (Richmond, VA)
    …data objects in Active Directory and Entra ID * Supports and assists in DNS management * Assigns and manages PIM roles and assignments for privileged identities * ... Manages Tier 0 / global admin access via users, groups, and PAW hardware devices * Work with DevOps teams to maintain security of the development pipelines * Assists in Azure Policy definition and assignment in relation to user roles and access * Configures… more
    Intermountain Health (12/30/25)
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  • Arkime Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …analysis, PCAP management, DPI technologies, and network protocols such as TCP / IP, DNS , TLS, or HTTP + Experience with packet or flow analysis platforms such as ... Suricata or Zeek + Experience engineering within a Zero T rus t Architecture ( ZTA ) , including segmentation, continuous verification, and identity-centric access + Experience with Linux systems administration, containers, and distributed systems, leveraging… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    …and voicemail administration + Knowledge of basic networking concepts (TCP/IP, VLANs, DNS ) + Ensure compliance with DoD 8570.01-M and DoD 8140.03 certification ... requirements **Qualifications:** _Required:_ + 10+ Years of relevant experience (Bachelor's degree in relevant field may be substituted for 5 years of relevant experience). + Familiarity with network and system security principles, protocols, and… more
    CACI International (12/27/25)
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