senior network security engineer Jobs in district of columbia

481 - 500 of 651 Jobs

Information System Security Officer (ISSO)Job Title - Information System Security Officer (ISSO)

Redhorse CorporationCompany Name - Redhorse Corporation

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Fort Meade, Maryland, USA

Full-time

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse is seeking a highly skilled Informa

Cyber Security Architect - Security Architect - Blue TeamJob Title - Cyber Security Architect - Security Architect - Blue Team

SESCompany Name - SES

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Remote

Full-time

Security Architect - Cyber Security Architect - Blue Team Type: W2 With Benefits - No C2C Location: Will Be Supporting Denver, CO Hours The Work You will work with our team of Architects to craft secure design patterns, perform security assessments, and review system designs using a risk-based, threat-modeling approach. The Security Architect will have the following core responsibilities: Partner with business and technology teams to define security designs that meet security requirements and en

Information Systems Security Officer (ISSO) 2 - TS/SCI w/PolyJob Title - Information Systems Security Officer (ISSO) 2 - TS/SCI w/Poly

JacobsCompany Name - Jacobs

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Columbia, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Officer (ISSO) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide support for a program, organization, system, or enclave's information assurance program. Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. Maintain operational security posture for an information system or program to ensure information s

Cloud Security Technical Project ManagerJob Title - Cloud Security Technical Project Manager

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2506833 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings acr

Security Monitor 2Job Title - Security Monitor 2

LeidosCompany Name - Leidos

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Springfield, Virginia, USA

Full-time

Description We are seeking a Security Monitor to support a large facility maintenance program management team. We are seeking a vigilant and highly responsible Security Monitor to safeguard personnel, property, and assets within a secured environment. The Security Monitor will be responsible for monitoring surveillance systems, patrolling the premises, controlling access to restricted areas, and responding to security incidents in accordance with established protocols. The ideal candidate will

Vice President Global Security & InvestigationsJob Title - Vice President Global Security & Investigations

Navy Federal Credit UnionCompany Name - Navy Federal Credit Union

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Vienna, Virginia, USA

Full-time

Overview To provide strategy and leadership to the 24/7 global physical security and investigations teams. Identify solutions that support and align with Security's strategic goals and drive high-level corporate decisions that help protect employees/members. Oversee security programs, which includes site selection, facilities physical security design and standardization, identifying, selecting, and maintaining electronic security systems and equipment, and security force functions. Support execu

Information Systems Security Manager (ISSM) 2 - TS/SCI w/PolyJob Title - Information Systems Security Manager (ISSM) 2 - TS/SCI w/Poly

JacobsCompany Name - Jacobs

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Fort Meade, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Manager (ISSM) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide management support for a program, organization, system, or enclave's Information Assurance program. Provide management support for proposing, coordinating, implementing, and enforcing Information System Security policies, standards, and methodologies. Manage operational security posture for an Information System or program to

IT Subject Matter Expert - Technical & Security LeadJob Title - IT Subject Matter Expert - Technical & Security Lead

MetaPhase ConsultingCompany Name - MetaPhase Consulting

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Washington, District of Columbia, USA

Full-time

Description At MetaPhase, we believe Quirky is Cool and being authentic is the only way to be! We take the work we do very seriously and do a lot of important mission-focused work for our clients. We are individuals with different passions and strengths who take as much joy in the work we do as from those we work with. Today, we have a team that is invested in creating new solutions that lean forward, challenge the status quo, but also reflect our intimate knowledge of our customers' business.

Splunk Systems Engineer - TS/SCI w/PolyJob Title - Splunk Systems Engineer - TS/SCI w/Poly

General DynamicsCompany Name - General Dynamics

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Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Enterprise Technologies, SIEM Tools, Splunk (Inactive) Certifications: None Experience: 2 + years of related experience ship Required: Yes Job Description: SIEM Team - Splunk Systems Engineer Deliver simple solutions to complex proble

IT Security AnalystJob Title - IT Security Analyst

Cayuse Holdings, LLCCompany Name - Cayuse Holdings, LLC

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Arlington, Virginia, USA

Full-time

Overview The IT Security Analyst is responsible for implementing and enforcing information systems security policies, standards, and methodologies and assist with preparation and maintenance of documentation. Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information. Assist the ISSO on information system security software, hardware, and firmware. Maintain records on workstations, servers, routers, firewalls, intelligent hubs ,

Information Assurance and Security SpecialistJob Title - Information Assurance and Security Specialist

SakeshCompany Name - Sakesh

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Washington, District of Columbia, USA

Contract

Job Description: Information Assurance and Security Specialist - Master Location: DMV Region (Washington D.C., Maryland, Virginia) Position Type: Contract (Hybrid - Onsite 3x/week in the near future) Must Haves 16+ years of experience developing, maintaining, and recommending enhancements to Information Security (IS) policies/requirements.16+ years of experience performing vulnerability/risk analyses of computer systems and applications.16+ years of experience identifying, reporting, and resolv

Site Security AnalystJob Title - Site Security Analyst

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Description Job Description We are seeking a detail-oriented and proactive Security Analyst to join our team. The Security Analyst will play a vital role in safeguarding classified information and ensuring strict adherence to established security procedures and federal regulations. The successful candidate will support the enforcement of security Standard Operating Procedures (SOPs), collaborate with government site security personnel, and oversee the protection and management of sensitive and

Program Security Officer - Clearance RequiredJob Title - Program Security Officer - Clearance Required

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2507076 Location: CHANTILLY, VA, US Date Posted: 2025-07-22 Category: Security Subcategory: Security Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description Who We Are and What We Do: SAIC Security professionals support a collective of over 24,000 employees extending across 20 countries. Our employees are our core, bolstered by 15,000 clearances

IAM Systems Administrator Onsite Fort Meade, MD Active Security ClearanceJob Title - IAM Systems Administrator Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

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Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW IAM Systems Administrator Onsite Fort Meade, MD Full Time/Perm/$Salary + Benefits Active Security Clearance Required! System Administration support for development and production environments for an Identity and Access Management (IdAM) system

Configuration Manager Onsite Fort Meade, MD Active Security ClearanceJob Title - Configuration Manager Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

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Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Configuration Manager Onsite Fort Meade, MD Full Time/Perm/$Salary + Benefits Active Security Clearance Required! Develops hardware and software version control processes, policies and procedures and ensures that they are followed on hardware and software development projects

Cyber Security Operations ManagerJob Title - Cyber Security Operations Manager

Viasat, Inc.Company Name - Viasat, Inc.

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Remote

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do Become a leader in our mission to connect the world securel

Information Systems Security Officer Level 2Job Title - Information Systems Security Officer Level 2

General DynamicsCompany Name - General Dynamics

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Annapolis, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Computer Security, Information System Security, Security Information, Security Requirements, System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Provides support for a

Industrial Security Representative (CPSO)Job Title - Industrial Security Representative (CPSO)

LeidosCompany Name - Leidos

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Alexandria, Virginia, USA

Full-time

Description The Digital Modernization Group at Leidos is seeking an Industrial Security Representative (ISR)/Contractor Program Security Officer (CPSO) supporting work for the Defense Threat Reduction Agency (DTRA) in Alexandria, VA. The position will be a part of the Leidos DoD Enterprise IT Modernization (DEIM) Security Team in the application of Leidos security standards and practices to existing US government facilities identified by the contract. The ISR/CPSO is responsible for safeguardin

Security AnalystJob Title - Security Analyst

SAICCompany Name - SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507505 Location: ARLINGTON, VA, US Date Posted: 2025-07-14 Category: Security Subcategory: Security Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is seeking a Security Analyst with an active TS/SCI clearance to provide general administrative support to the Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)). This position

Information Systems Security OfficerJob Title - Information Systems Security Officer

ManTechCompany Name - ManTech

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Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Information Systems Security Officer (ISSO) to join our team in Hanover, MD Responsibilities Included but are not limited to:Ensures that the appropriate operational security posture is maintained for an Information System, or IS. Develop and update System Security Plans (SSP's). Manages and controls changes to the system and assesses the security impact of those changes. Incorporates and/or implements the Risk Management Framework (RMF) d