• ISSO/Systems Security Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …System (IPS) tools and applications. + Knowledge of network protocols such as TCP /IP, Dynamic Host Configuration, Domain Name System (DNS), and directory services. + ... Knowledge of application vulnerabilities. + Knowledge of system administration, network, and operating system hardening techniques. + Knowledge of system administration concepts for operating systems such as but not limited to Unix/Linux, IOS, Android, and… more
    UIC Government Services and the Bowhead Family of Companies (05/31/25)
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  • Principal Cyber Support Developer

    ManTech (Chantilly, VA)
    …2019, Active Directory, Server Roles, Access Rights and Security Groups. TCP /IP networking, 802.1x and network security concepts is required. **Minimum ... Qualifications:** + Bachelor's degree or 4+ years of additional software development in lieu of degree + 7+ years of software development experience + Experience with Git, Gitlab, developing with continuous integration-continuous delivery (Cl/CD) pipeline +… more
    ManTech (05/30/25)
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  • IT Infrastructure Management Technical Lead

    Systems Engineering Solutions Corporation (Chantilly, VA)
    …with Windows Server and/or Linux administration. * Proficient in networking fundamentals ( TCP /IP, DNS, DHCP, VLANs, VPN). * Experience managing storage systems (SAN, ... NAS, cloud storage). * Hands-on experience with cloud platforms (AWS, Azure, or GCP). * Proficiency with monitoring tools (eg, Nagios, Zabbix, Datadog, SolarWinds). * Infrastructure scripting/automation (eg, PowerShell, Bash, Python, Ansible) Process &… more
    Systems Engineering Solutions Corporation (05/30/25)
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  • Web Administrator

    ManTech (Herndon, VA)
    …other common network standards; understanding of network protocols and technologies, including TCP /IP, DNS, DHCP, and QoS, MPLS + IAM III/IAT III Certification ... **Preferred Qualifications:** + One of the following certifications: Certified Business Analysis Professional (CBAP), Agile Certified Practitioner (PMI-ACP), Certified Data Management Pr5ofessional (CDMP), Six Sigma Certification, ITIL4 + ServiceNow… more
    ManTech (05/30/25)
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  • Physical Security Field Engineer, , Data Center…

    Amazon (Herndon, VA)
    …and PIDs - Experience troubleshooting networking and communications issues (such as, TCP /IP, UDP, IPSEC, HTTP, HTTPS, routing protocols) - Demonstrated judgement in ... assessing and prioritizing technical risk. - Demonstrated experience developing root cause analyses. - A data-driven and quantitative mentality; an ability to support ideas with evidence. - Organized and have the ability to set priorities and meet deadlines… more
    Amazon (05/28/25)
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  • Software Engineer, SME (ServiceNow Platform)

    BAE Systems (Sterling, VA)
    …Python for automation and software development tasks + Understanding of TCP /IP networking protocols and principles + Database Administration (Oracle, MySQL, MariaDB, ... or Postgres) experience + Ability to efficiently and appropriately estimate work effort requirements + Ability to communicate effectively through written and verbal methods + Ability to handle multiple tasks and meet deadlines + Ability work independently and… more
    BAE Systems (05/24/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …Linux, macOS), servers, and networking + Knowledge of network protocols ( TCP /IP), switch configurations, and firewalls is essential + Experience with scripting ... languages (eg, Python, PowerShell) for automating tasks and improving efficiency + Microsoft Visio, Word, Excel experience + CASP+ Certification or ability to obtain within 6 months of hire + DoD 8570 Computing Environment Certification or ability to obtain… more
    ManTech (05/24/25)
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  • Cyber Incident Response Analyst IV

    Nightwing (Sterling, VA)
    …depth knowledge of CND policies, procedures and regulations - In depth knowledge of TCP /IP protocols - In depth knowledge of standard protocols - ICMP, HTTP/S, DNS, ... SSH, SMTP, SMB, NFS, etc. - In depth knowledge and experience of Wifi networking - In depth knowledge and experience of network topologies - DMZ's, WAN's, etc. - Substantial knowledge of Splunk (or other SIEM's) - Understanding of MITRE Adversary Tactics,… more
    Nightwing (05/22/25)
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  • Senior Field Engineer

    ManTech (Herndon, VA)
    …network standards + Strong understanding of network protocols and technologies, including TCP /IP, DNS, DHCP, and QoS, MPLS **Preferred Qualifications:** + One of the ... following certifications: Certified Business Analysis Professional (CBAP), Agile Certified Practitioner (PMI-ACP), Certified Data Management Pr5ofessional (CDMP), Six Sigma Certification, ITIL4 + Master's Degree **Clearance Requirements:** + Must be a US… more
    ManTech (05/22/25)
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  • Sr. Active Directory/Exchange Specialist

    Leidos (Quantico, VA)
    …of Microsoft Windows Server 2016/2019, Windows 10, Microsoft Active Directory, TCP /IP Protocols, and Group Policies + Demonstrated experience in using, configuring, ... and troubleshooting Windows computer platforms in an active directory environment. + Highly developed customer service ethic, coupled with a drive to deliver exceptional customer experience + Experience managing compliance with license agreements + Experience… more
    Leidos (05/22/25)
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