• Cyber Security Operations Specialist III…

    CACI International (Springfield, VA)
    Cyber Security Operations Specialist III - Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee ... * **The Opportunity:** Join our team as a CSOC Tier 3 Engineer and play a critical role in...of a highly skilled team dedicated to protecting national security interests. **Responsibilities:** + Coordinate and implement tasks during… more
    CACI International (11/21/25)
    - Related Jobs
  • Senior Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …end-users and customers to ensure timely resolution.** **Process tickets received from the Tier II support desk to resolution and escalate appropriate tickets to ... and incident resolution scripts.** **Support occasional weekend maintenance windows conducted by Tier II personnel.** **Prepare and submit After Action Reports… more
    General Dynamics Information Technology (12/11/25)
    - Related Jobs
  • CSOC Tier 3 Engineer

    General Dynamics Information Technology (Springfield, VA)
    …Cyber and IT Risk Management **Skills:** Cyber Incident Response,Cybersecurity Operations, Security Incident Response **Experience:** 8 + years of related experience ... Citizenship Required:** Yes **Job Description:** Candidate will provide Expert CSOC Tier 3 services, which is 24x7x365 coordination, execution, and implementation of… more
    General Dynamics Information Technology (11/13/25)
    - Related Jobs
  • Csos III / Tier 3

    CACI International (Springfield, VA)
    CSOS III / Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel ... of Travel: Local * * * **The Opportunity:** Candidate will provide CSOC Tier 3 services, which is 24x7x365 coordination, execution, and implementation of all actions… more
    CACI International (10/15/25)
    - Related Jobs
  • Tier 2 Technician

    Leidos (Chantilly, VA)
    **Description** **The Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician** to support computer data communications systems, ... solutions through network modeling. The job duties of the Tier II Network Technician are as follows:...+ Configure and troubleshoot layer 2 switching (VLAN's, Port Security , Thin Configs). + Knowledge of Cisco IOS, Juniper… more
    Leidos (12/03/25)
    - Related Jobs
  • Mid-Level Tier III Administrator

    General Dynamics Information Technology (Chantilly, VA)
    …provide emergency/on-call Problem and Break-Fix support after hours. ** **MEANINGFUL WORK AND PERSONAL IMPACT** **As a Tier III Administrator, you will work ... related field.** **Clearance:** **Active Secret security clearance.** **Certification:** **CompTIA Security + or similar for IAT Level II DoD 8570… more
    General Dynamics Information Technology (12/11/25)
    - Related Jobs
  • Data Center Operations Technician II

    CoreSite (Reston, VA)
    …systems and software programs - ie, MS Word, Excel, MS Outlook + A Tier II technician will gain an on-the-job understanding of the mechanical, electrical, ... Technician II Role: The Data Center Technician II assists in the operational integrity, security ,...services, and that internal customer demands are met. A Tier 2 technician requires the following skills: Security more
    CoreSite (12/13/25)
    - Related Jobs
  • SMIT Service Desk RDM Tier 2 Technician

    Leidos (Norfolk, VA)
    …for an experienced technician to work in our Norfolk, VA office. This team provides Tier I and II technical software, hardware and network problem resolution for ... or may provide expertise to solve first and second tier technical support issues for end-users of the organization's...will not be considered + 8570 certification - CompTIA Security +CE + Three months or more experience supporting… more
    Leidos (12/16/25)
    - Related Jobs
  • CAN/LAN Network Tier 3

    CACI International (Sterling, VA)
    CAN/LAN Network Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Local * * * **The Opportunity:** CACI is seeking a CAN/WAN Network Tier 3 to provide support for implementation, troubleshooting and maintenance of IT networks.… more
    CACI International (10/25/25)
    - Related Jobs
  • Tier 3 Network Administrator

    CACI International (Reston, VA)
    …validation of lab environment disaster recovery plans. **Qualifications:** _Required:_ + IAT II certification + TS/SCI security clearance with ability to obtain ... Tier 3 Network Administrator Job Category: Information Technology...that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning… more
    CACI International (12/11/25)
    - Related Jobs